diff --git a/ci/conan/all/conanfile.py b/ci/conan/all/conanfile.py
index 0d82d98db3e..97acd839cd3 100644
--- a/ci/conan/all/conanfile.py
+++ b/ci/conan/all/conanfile.py
@@ -376,7 +376,7 @@ def _configure_cmake(self):
             self._cmake.definitions["ARROW_BROTLI_USE_SHARED"] = self.options["brotli"].shared
         self._cmake.definitions["gflags_SOURCE"] = "SYSTEM"
         if self._with_gflags():
-            self._cmake.definitions["ARROW_BROTLI_USE_SHARED"] = self.options["gflags"].shared
+            self._cmake.definitions["ARROW_GFLAGS_USE_SHARED"] = self.options["gflags"].shared
         self._cmake.definitions["ARROW_WITH_BZ2"] = self.options.with_bz2
         self._cmake.definitions["BZip2_SOURCE"] = "SYSTEM"
         if self.options.with_bz2:
diff --git a/ci/scripts/conan_build.sh b/ci/scripts/conan_build.sh
index 9a1ab77b827..11952509c88 100755
--- a/ci/scripts/conan_build.sh
+++ b/ci/scripts/conan_build.sh
@@ -31,6 +31,9 @@ conan_args=()
 if [ -n "${ARROW_CONAN_PARQUET:-}" ]; then
   conan_args+=(--options arrow:parquet=${ARROW_CONAN_PARQUET})
 fi
+if [ -n "${ARROW_CONAN_WITH_BROTLI:-}" ]; then
+  conan_args+=(--options arrow:with_brotli=${ARROW_CONAN_WITH_BROTLI})
+fi
 if [ -n "${ARROW_CONAN_WITH_JEMALLOC:-}" ]; then
   conan_args+=(--options arrow:with_jemalloc=${ARROW_CONAN_WITH_JEMALLOC})
 fi
diff --git a/dev/tasks/tasks.yml b/dev/tasks/tasks.yml
index f52fe1428ad..71a60d24528 100644
--- a/dev/tasks/tasks.yml
+++ b/dev/tasks/tasks.yml
@@ -206,6 +206,7 @@ tasks:
     params:
       flags: >-
         -e ARROW_CONAN_PARQUET=True
+        -e ARROW_CONAN_WITH_BROTLI=True
         -e ARROW_CONAN_WITH_JEMALLOC=True
         -e ARROW_CONAN_WITH_LZ4=True
         -e ARROW_CONAN_WITH_SNAPPY=True