diff --git a/labkey-api-sas/build.gradle b/labkey-api-sas/build.gradle
index 04badddc..98752374 100644
--- a/labkey-api-sas/build.gradle
+++ b/labkey-api-sas/build.gradle
@@ -27,6 +27,7 @@ plugins {
 }
 
 repositories {
+    mavenCentral()
     maven {
         url "${artifactory_contextUrl}/libs-release"
 
diff --git a/labkey-api-sas/gradle.properties b/labkey-api-sas/gradle.properties
index a57eaeb8..7c37d5c7 100644
--- a/labkey-api-sas/gradle.properties
+++ b/labkey-api-sas/gradle.properties
@@ -3,6 +3,6 @@
 # in the context URL or you will get a 500 error from artifactory.)
 artifactory_contextUrl=https://artifactory.labkey.com/artifactory
 
-artifactoryPluginVersion=4.13.0
-gradlePluginsVersion=1.12.0
-labkeyClientApiVersion=1.2.0
+artifactoryPluginVersion=4.21.0
+gradlePluginsVersion=1.32.2
+labkeyClientApiVersion=1.4.0
diff --git a/labkey-api-sas/gradle/wrapper/gradle-wrapper.properties b/labkey-api-sas/gradle/wrapper/gradle-wrapper.properties
index 2a563242..aa991fce 100644
--- a/labkey-api-sas/gradle/wrapper/gradle-wrapper.properties
+++ b/labkey-api-sas/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.8.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.4.2-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/labkey-client-api/CHANGELOG.md b/labkey-client-api/CHANGELOG.md
index 96add7c5..613e690a 100644
--- a/labkey-client-api/CHANGELOG.md
+++ b/labkey-client-api/CHANGELOG.md
@@ -1,8 +1,15 @@
 # The LabKey Remote API Library for Java - Change Log
 
+## version 1.5.0
+*Released*: 20 April 2022
+* Update gradle and various dependencies
+* Update signature of `Connection` constructor
+* [Issue 43380](https://www.labkey.org/home/Developer/issues/issues-details.view?issueId=43380): `ImportDataCommand` missing options supported by the query-import.api endpoint
+* Remove `CheckForStudyReloadCommand`.
+
 ## version 1.4.0
 *Released*: 16 June 2021
-* Issue 43246: Lineage query NPE while processing an UploadedFile
+* [Issue 43246](https://www.labkey.org/home/Developer/issues/issues-details.view?issueId=43246): Lineage query NPE while processing an UploadedFile
 * Additional lineage options and support additional properties in response
 * Update dependency version numbers
 * Update to Gradle 7.1
diff --git a/labkey-client-api/build.gradle b/labkey-client-api/build.gradle
index 4b9b3365..14f48d26 100644
--- a/labkey-client-api/build.gradle
+++ b/labkey-client-api/build.gradle
@@ -37,6 +37,7 @@ plugins {
 }
 
 repositories {
+    mavenCentral()
     maven {
         url "${artifactory_contextUrl}/libs-release"
 
@@ -56,7 +57,7 @@ repositories {
 
 group "org.labkey.api"
 
-version "1.5.0-SNAPSHOT"
+version "1.6.0-SNAPSHOT"
 
 dependencies {
     implementation "org.apache.httpcomponents:httpmime:${httpmimeVersion}"
@@ -240,6 +241,7 @@ project.publishing {
                 maven = true
             }
             defaults {
+                publishBuildInfo = false
                 publishPom = true
                 publishIvy = false
             }
diff --git a/labkey-client-api/gradle.properties b/labkey-client-api/gradle.properties
index 2ab36a7f..d83a0272 100644
--- a/labkey-client-api/gradle.properties
+++ b/labkey-client-api/gradle.properties
@@ -11,7 +11,7 @@ sourceCompatibility=1.8
 targetCompatibility=1.8
 
 artifactoryPluginVersion=4.21.0
-gradlePluginsVersion=1.26.0
+gradlePluginsVersion=1.32.2
 
 commonsCodecVersion=1.15
 commonsLoggingVersion=1.2
diff --git a/labkey-client-api/gradle/wrapper/gradle-wrapper.properties b/labkey-client-api/gradle/wrapper/gradle-wrapper.properties
index 69a97150..aa991fce 100644
--- a/labkey-client-api/gradle/wrapper/gradle-wrapper.properties
+++ b/labkey-client-api/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.4.2-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/labkey-client-api/src/org/labkey/remoteapi/Connection.java b/labkey-client-api/src/org/labkey/remoteapi/Connection.java
index 15c7b63f..80f133d5 100644
--- a/labkey-client-api/src/org/labkey/remoteapi/Connection.java
+++ b/labkey-client-api/src/org/labkey/remoteapi/Connection.java
@@ -142,7 +142,7 @@ public Connection(URI baseURI, CredentialsProvider credentialsProvider)
     {
         if (baseURI.getHost() == null || baseURI.getScheme() == null)
         {
-            throw new IllegalArgumentException("Invalid server URL: " + baseURI.toString());
+            throw new IllegalArgumentException("Invalid server URL: " + baseURI);
         }
         _baseURI = baseURI;
         _credentialsProvider = credentialsProvider;
@@ -541,4 +541,4 @@ private static URI toURI(String baseUrl)
             throw new IllegalArgumentException("Invalid target server URL: " + baseUrl);
         }
     }
-}
\ No newline at end of file
+}
diff --git a/labkey-client-api/src/org/labkey/remoteapi/query/ImportDataCommand.java b/labkey-client-api/src/org/labkey/remoteapi/query/ImportDataCommand.java
index 6a6462d0..202f8f76 100644
--- a/labkey-client-api/src/org/labkey/remoteapi/query/ImportDataCommand.java
+++ b/labkey-client-api/src/org/labkey/remoteapi/query/ImportDataCommand.java
@@ -32,6 +32,7 @@
 import java.io.InputStreamReader;
 import java.io.StringWriter;
 import java.net.URI;
+import java.nio.charset.Charset;
 import java.util.Arrays;
 import java.util.Objects;
 import java.util.stream.Collectors;
@@ -580,7 +581,7 @@ private static void printUsage()
     private static String readFully(InputStream in) throws IOException
     {
         StringWriter sw = new StringWriter();
-        try (BufferedReader buf = new BufferedReader(new InputStreamReader(in)))
+        try (BufferedReader buf = new BufferedReader(new InputStreamReader(in, Charset.defaultCharset())))
         {
             String line;
             do