diff --git a/dd-smoke-tests/gradle/build.gradle b/dd-smoke-tests/gradle/build.gradle
index 8a65e0b1949..1ec42fbf2cc 100644
--- a/dd-smoke-tests/gradle/build.gradle
+++ b/dd-smoke-tests/gradle/build.gradle
@@ -18,6 +18,11 @@ test {
     events "passed", "skipped", "failed", "standardOut", "standardError"
   }
 
+  if (project.hasProperty("mavenRepositoryProxy")) {
+    // propagate proxy URL to tests, to then propagate it to nested Gradle builds
+    environment "MAVEN_REPOSITORY_PROXY", project.property("mavenRepositoryProxy")
+  }
+
   // overriding the default timeout of 9 minutes set in configure_tests.gradle,
   // as Gradle smoke tests might run for a longer duration
   timeout = Duration.of(15, ChronoUnit.MINUTES)
diff --git a/dd-smoke-tests/gradle/src/test/groovy/datadog/smoketest/GradleDaemonSmokeTest.groovy b/dd-smoke-tests/gradle/src/test/groovy/datadog/smoketest/GradleDaemonSmokeTest.groovy
index 8944159d45e..e4a6db7a9c4 100644
--- a/dd-smoke-tests/gradle/src/test/groovy/datadog/smoketest/GradleDaemonSmokeTest.groovy
+++ b/dd-smoke-tests/gradle/src/test/groovy/datadog/smoketest/GradleDaemonSmokeTest.groovy
@@ -239,12 +239,19 @@ class GradleDaemonSmokeTest extends AbstractGradleTest {
   }
 
   private runGradle(String gradleVersion, List<String> arguments, boolean successExpected) {
+    def buildEnv = ["GRADLE_VERSION": gradleVersion]
+
+    def mavenRepositoryProxy = System.getenv("MAVEN_REPOSITORY_PROXY")
+    if (mavenRepositoryProxy != null) {
+      buildEnv += ["MAVEN_REPOSITORY_PROXY": System.getenv("MAVEN_REPOSITORY_PROXY")]
+    }
+
     GradleRunner gradleRunner = GradleRunner.create()
       .withTestKitDir(testKitFolder.toFile())
       .withProjectDir(projectFolder.toFile())
       .withGradleVersion(gradleVersion)
       .withArguments(arguments)
-      .withEnvironment(["GRADLE_VERSION": gradleVersion])
+      .withEnvironment(buildEnv)
       .forwardOutput()
 
     println "${new Date()}: $specificationContext.currentIteration.displayName - Starting Gradle run"
diff --git a/dd-smoke-tests/gradle/src/test/resources/test-corrupted-config-legacy-instrumentation/build.gradleTest b/dd-smoke-tests/gradle/src/test/resources/test-corrupted-config-legacy-instrumentation/build.gradleTest
index 8f4344573a7..9a1f5e552b1 100644
--- a/dd-smoke-tests/gradle/src/test/resources/test-corrupted-config-legacy-instrumentation/build.gradleTest
+++ b/dd-smoke-tests/gradle/src/test/resources/test-corrupted-config-legacy-instrumentation/build.gradleTest
@@ -2,6 +2,16 @@ apply plugin: 'java'
 
 repositories {
   mavenLocal()
+
+  def proxyUrl = System.getenv("MAVEN_REPOSITORY_PROXY")
+  if (proxyUrl) {
+    println "Using proxy repository: $proxyUrl"
+    maven {
+      url = proxyUrl
+      allowInsecureProtocol = true
+    }
+  }
+
   mavenCentral()
 }
 
diff --git a/dd-smoke-tests/gradle/src/test/resources/test-corrupted-config-new-instrumentation/build.gradleTest b/dd-smoke-tests/gradle/src/test/resources/test-corrupted-config-new-instrumentation/build.gradleTest
index 8f4344573a7..9a1f5e552b1 100644
--- a/dd-smoke-tests/gradle/src/test/resources/test-corrupted-config-new-instrumentation/build.gradleTest
+++ b/dd-smoke-tests/gradle/src/test/resources/test-corrupted-config-new-instrumentation/build.gradleTest
@@ -2,6 +2,16 @@ apply plugin: 'java'
 
 repositories {
   mavenLocal()
+
+  def proxyUrl = System.getenv("MAVEN_REPOSITORY_PROXY")
+  if (proxyUrl) {
+    println "Using proxy repository: $proxyUrl"
+    maven {
+      url = proxyUrl
+      allowInsecureProtocol = true
+    }
+  }
+
   mavenCentral()
 }
 
diff --git a/dd-smoke-tests/gradle/src/test/resources/test-failed-flaky-retries/build.gradleTest b/dd-smoke-tests/gradle/src/test/resources/test-failed-flaky-retries/build.gradleTest
index 5aa8ddbc416..924451fb8e0 100644
--- a/dd-smoke-tests/gradle/src/test/resources/test-failed-flaky-retries/build.gradleTest
+++ b/dd-smoke-tests/gradle/src/test/resources/test-failed-flaky-retries/build.gradleTest
@@ -2,6 +2,16 @@ apply plugin: 'java'
 
 repositories {
   mavenLocal()
+
+  def proxyUrl = System.getenv("MAVEN_REPOSITORY_PROXY")
+  if (proxyUrl) {
+    println "Using proxy repository: $proxyUrl"
+    maven {
+      url = proxyUrl
+      allowInsecureProtocol = true
+    }
+  }
+
   mavenCentral()
 }
 
diff --git a/dd-smoke-tests/gradle/src/test/resources/test-failed-legacy-instrumentation/build.gradleTest b/dd-smoke-tests/gradle/src/test/resources/test-failed-legacy-instrumentation/build.gradleTest
index 5aa8ddbc416..924451fb8e0 100644
--- a/dd-smoke-tests/gradle/src/test/resources/test-failed-legacy-instrumentation/build.gradleTest
+++ b/dd-smoke-tests/gradle/src/test/resources/test-failed-legacy-instrumentation/build.gradleTest
@@ -2,6 +2,16 @@ apply plugin: 'java'
 
 repositories {
   mavenLocal()
+
+  def proxyUrl = System.getenv("MAVEN_REPOSITORY_PROXY")
+  if (proxyUrl) {
+    println "Using proxy repository: $proxyUrl"
+    maven {
+      url = proxyUrl
+      allowInsecureProtocol = true
+    }
+  }
+
   mavenCentral()
 }
 
diff --git a/dd-smoke-tests/gradle/src/test/resources/test-failed-new-instrumentation/build.gradleTest b/dd-smoke-tests/gradle/src/test/resources/test-failed-new-instrumentation/build.gradleTest
index 5aa8ddbc416..924451fb8e0 100644
--- a/dd-smoke-tests/gradle/src/test/resources/test-failed-new-instrumentation/build.gradleTest
+++ b/dd-smoke-tests/gradle/src/test/resources/test-failed-new-instrumentation/build.gradleTest
@@ -2,6 +2,16 @@ apply plugin: 'java'
 
 repositories {
   mavenLocal()
+
+  def proxyUrl = System.getenv("MAVEN_REPOSITORY_PROXY")
+  if (proxyUrl) {
+    println "Using proxy repository: $proxyUrl"
+    maven {
+      url = proxyUrl
+      allowInsecureProtocol = true
+    }
+  }
+
   mavenCentral()
 }
 
diff --git a/dd-smoke-tests/gradle/src/test/resources/test-skip-legacy-instrumentation/build.gradleTest b/dd-smoke-tests/gradle/src/test/resources/test-skip-legacy-instrumentation/build.gradleTest
index 5aa8ddbc416..924451fb8e0 100644
--- a/dd-smoke-tests/gradle/src/test/resources/test-skip-legacy-instrumentation/build.gradleTest
+++ b/dd-smoke-tests/gradle/src/test/resources/test-skip-legacy-instrumentation/build.gradleTest
@@ -2,6 +2,16 @@ apply plugin: 'java'
 
 repositories {
   mavenLocal()
+
+  def proxyUrl = System.getenv("MAVEN_REPOSITORY_PROXY")
+  if (proxyUrl) {
+    println "Using proxy repository: $proxyUrl"
+    maven {
+      url = proxyUrl
+      allowInsecureProtocol = true
+    }
+  }
+
   mavenCentral()
 }
 
diff --git a/dd-smoke-tests/gradle/src/test/resources/test-skip-new-instrumentation/build.gradleTest b/dd-smoke-tests/gradle/src/test/resources/test-skip-new-instrumentation/build.gradleTest
index 5aa8ddbc416..924451fb8e0 100644
--- a/dd-smoke-tests/gradle/src/test/resources/test-skip-new-instrumentation/build.gradleTest
+++ b/dd-smoke-tests/gradle/src/test/resources/test-skip-new-instrumentation/build.gradleTest
@@ -2,6 +2,16 @@ apply plugin: 'java'
 
 repositories {
   mavenLocal()
+
+  def proxyUrl = System.getenv("MAVEN_REPOSITORY_PROXY")
+  if (proxyUrl) {
+    println "Using proxy repository: $proxyUrl"
+    maven {
+      url = proxyUrl
+      allowInsecureProtocol = true
+    }
+  }
+
   mavenCentral()
 }
 
diff --git a/dd-smoke-tests/gradle/src/test/resources/test-succeed-gradle-plugin-test/build.gradleTest b/dd-smoke-tests/gradle/src/test/resources/test-succeed-gradle-plugin-test/build.gradleTest
index f8a38f33853..4e71ba3bc73 100644
--- a/dd-smoke-tests/gradle/src/test/resources/test-succeed-gradle-plugin-test/build.gradleTest
+++ b/dd-smoke-tests/gradle/src/test/resources/test-succeed-gradle-plugin-test/build.gradleTest
@@ -14,6 +14,16 @@ gradlePlugin {
 
 repositories {
     mavenLocal()
+
+    def proxyUrl = System.getenv("MAVEN_REPOSITORY_PROXY")
+    if (proxyUrl) {
+      println "Using proxy repository: $proxyUrl"
+      maven {
+        url = proxyUrl
+        allowInsecureProtocol = true
+      }
+    }
+
     mavenCentral()
 }
 
diff --git a/dd-smoke-tests/gradle/src/test/resources/test-succeed-junit-4-class-ordering/build.gradleTest b/dd-smoke-tests/gradle/src/test/resources/test-succeed-junit-4-class-ordering/build.gradleTest
index 27685459d0e..ed7646e3a4e 100644
--- a/dd-smoke-tests/gradle/src/test/resources/test-succeed-junit-4-class-ordering/build.gradleTest
+++ b/dd-smoke-tests/gradle/src/test/resources/test-succeed-junit-4-class-ordering/build.gradleTest
@@ -2,6 +2,15 @@ apply plugin: 'java'
 
 repositories {
   mavenLocal()
+
+  def proxyUrl = System.getenv("MAVEN_REPOSITORY_PROXY")
+  if (proxyUrl) {
+    println "Using proxy repository: $proxyUrl"
+    maven {
+      url = proxyUrl
+    }
+  }
+
   mavenCentral()
 }
 
diff --git a/dd-smoke-tests/gradle/src/test/resources/test-succeed-junit-5/build.gradleTest b/dd-smoke-tests/gradle/src/test/resources/test-succeed-junit-5/build.gradleTest
index 0688933f199..b1c3cff6d5c 100644
--- a/dd-smoke-tests/gradle/src/test/resources/test-succeed-junit-5/build.gradleTest
+++ b/dd-smoke-tests/gradle/src/test/resources/test-succeed-junit-5/build.gradleTest
@@ -3,6 +3,16 @@ apply plugin: 'jvm-test-suite'
 
 repositories {
   mavenLocal()
+
+  def proxyUrl = System.getenv("MAVEN_REPOSITORY_PROXY")
+  if (proxyUrl) {
+    println "Using proxy repository: $proxyUrl"
+    maven {
+      url = proxyUrl
+      allowInsecureProtocol = true
+    }
+  }
+
   mavenCentral()
 }
 
diff --git a/dd-smoke-tests/gradle/src/test/resources/test-succeed-legacy-instrumentation/build.gradleTest b/dd-smoke-tests/gradle/src/test/resources/test-succeed-legacy-instrumentation/build.gradleTest
index 5aa8ddbc416..924451fb8e0 100644
--- a/dd-smoke-tests/gradle/src/test/resources/test-succeed-legacy-instrumentation/build.gradleTest
+++ b/dd-smoke-tests/gradle/src/test/resources/test-succeed-legacy-instrumentation/build.gradleTest
@@ -2,6 +2,16 @@ apply plugin: 'java'
 
 repositories {
   mavenLocal()
+
+  def proxyUrl = System.getenv("MAVEN_REPOSITORY_PROXY")
+  if (proxyUrl) {
+    println "Using proxy repository: $proxyUrl"
+    maven {
+      url = proxyUrl
+      allowInsecureProtocol = true
+    }
+  }
+
   mavenCentral()
 }
 
diff --git a/dd-smoke-tests/gradle/src/test/resources/test-succeed-multi-forks-legacy-instrumentation/build.gradleTest b/dd-smoke-tests/gradle/src/test/resources/test-succeed-multi-forks-legacy-instrumentation/build.gradleTest
index ad869174f34..df8b0d91899 100644
--- a/dd-smoke-tests/gradle/src/test/resources/test-succeed-multi-forks-legacy-instrumentation/build.gradleTest
+++ b/dd-smoke-tests/gradle/src/test/resources/test-succeed-multi-forks-legacy-instrumentation/build.gradleTest
@@ -2,6 +2,16 @@ apply plugin: 'java'
 
 repositories {
   mavenLocal()
+
+  def proxyUrl = System.getenv("MAVEN_REPOSITORY_PROXY")
+  if (proxyUrl) {
+    println "Using proxy repository: $proxyUrl"
+    maven {
+      url = proxyUrl
+      allowInsecureProtocol = true
+    }
+  }
+
   mavenCentral()
 }
 
diff --git a/dd-smoke-tests/gradle/src/test/resources/test-succeed-multi-forks-new-instrumentation/build.gradleTest b/dd-smoke-tests/gradle/src/test/resources/test-succeed-multi-forks-new-instrumentation/build.gradleTest
index ad869174f34..df8b0d91899 100644
--- a/dd-smoke-tests/gradle/src/test/resources/test-succeed-multi-forks-new-instrumentation/build.gradleTest
+++ b/dd-smoke-tests/gradle/src/test/resources/test-succeed-multi-forks-new-instrumentation/build.gradleTest
@@ -2,6 +2,16 @@ apply plugin: 'java'
 
 repositories {
   mavenLocal()
+
+  def proxyUrl = System.getenv("MAVEN_REPOSITORY_PROXY")
+  if (proxyUrl) {
+    println "Using proxy repository: $proxyUrl"
+    maven {
+      url = proxyUrl
+      allowInsecureProtocol = true
+    }
+  }
+
   mavenCentral()
 }
 
diff --git a/dd-smoke-tests/gradle/src/test/resources/test-succeed-multi-module-legacy-instrumentation/build.gradleTest b/dd-smoke-tests/gradle/src/test/resources/test-succeed-multi-module-legacy-instrumentation/build.gradleTest
index 14bbd056756..e6246089031 100644
--- a/dd-smoke-tests/gradle/src/test/resources/test-succeed-multi-module-legacy-instrumentation/build.gradleTest
+++ b/dd-smoke-tests/gradle/src/test/resources/test-succeed-multi-module-legacy-instrumentation/build.gradleTest
@@ -3,6 +3,16 @@ subprojects {
 
     repositories {
         mavenLocal()
+
+        def proxyUrl = System.getenv("MAVEN_REPOSITORY_PROXY")
+        if (proxyUrl) {
+          println "Using proxy repository: $proxyUrl"
+          maven {
+            url = proxyUrl
+            allowInsecureProtocol = true
+          }
+        }
+
         mavenCentral()
     }
 
diff --git a/dd-smoke-tests/gradle/src/test/resources/test-succeed-multi-module-new-instrumentation/build.gradleTest b/dd-smoke-tests/gradle/src/test/resources/test-succeed-multi-module-new-instrumentation/build.gradleTest
index 14bbd056756..e6246089031 100644
--- a/dd-smoke-tests/gradle/src/test/resources/test-succeed-multi-module-new-instrumentation/build.gradleTest
+++ b/dd-smoke-tests/gradle/src/test/resources/test-succeed-multi-module-new-instrumentation/build.gradleTest
@@ -3,6 +3,16 @@ subprojects {
 
     repositories {
         mavenLocal()
+
+        def proxyUrl = System.getenv("MAVEN_REPOSITORY_PROXY")
+        if (proxyUrl) {
+          println "Using proxy repository: $proxyUrl"
+          maven {
+            url = proxyUrl
+            allowInsecureProtocol = true
+          }
+        }
+
         mavenCentral()
     }
 
diff --git a/dd-smoke-tests/gradle/src/test/resources/test-succeed-new-instrumentation/build.gradleTest b/dd-smoke-tests/gradle/src/test/resources/test-succeed-new-instrumentation/build.gradleTest
index 5aa8ddbc416..924451fb8e0 100644
--- a/dd-smoke-tests/gradle/src/test/resources/test-succeed-new-instrumentation/build.gradleTest
+++ b/dd-smoke-tests/gradle/src/test/resources/test-succeed-new-instrumentation/build.gradleTest
@@ -2,6 +2,16 @@ apply plugin: 'java'
 
 repositories {
   mavenLocal()
+
+  def proxyUrl = System.getenv("MAVEN_REPOSITORY_PROXY")
+  if (proxyUrl) {
+    println "Using proxy repository: $proxyUrl"
+    maven {
+      url = proxyUrl
+      allowInsecureProtocol = true
+    }
+  }
+
   mavenCentral()
 }
 
diff --git a/dd-smoke-tests/gradle/src/test/resources/test-succeed-old-gradle/build.gradleTest b/dd-smoke-tests/gradle/src/test/resources/test-succeed-old-gradle/build.gradleTest
index d8c4648b67b..d537a62a23a 100644
--- a/dd-smoke-tests/gradle/src/test/resources/test-succeed-old-gradle/build.gradleTest
+++ b/dd-smoke-tests/gradle/src/test/resources/test-succeed-old-gradle/build.gradleTest
@@ -2,6 +2,15 @@ apply plugin: 'java'
 
 repositories {
   mavenLocal()
+
+  def proxyUrl = System.getenv("MAVEN_REPOSITORY_PROXY")
+  if (proxyUrl) {
+    println "Using proxy repository: $proxyUrl"
+    maven {
+      url = proxyUrl
+    }
+  }
+
   mavenCentral()
 }