diff --git a/python/setup-test-environment/build.gradle b/python/setup-test-environment/build.gradle
index b611f256d460..2e25e46d6148 100644
--- a/python/setup-test-environment/build.gradle
+++ b/python/setup-test-environment/build.gradle
@@ -35,7 +35,7 @@ boolean isUnix = Os.isFamily(Os.FAMILY_UNIX)
 envs {
   String python27version = "2.7.18"
   String python36version = "3.6.8"
-  String python37version = "3.7.9"
+  String python37version = "3.7.8"
   String python38version = "3.8.5"
   String python39version = isWindows ? "3.9.0b4" : "3.9-dev"
 
diff --git a/python/tools/setup-envs/build.gradle b/python/tools/setup-envs/build.gradle
index 1f38cc115b34..b96889a23716 100644
--- a/python/tools/setup-envs/build.gradle
+++ b/python/tools/setup-envs/build.gradle
@@ -32,7 +32,7 @@ envs {
 
   python "python27", "2.7.18"
   python "python36", "3.6.8"
-  python "python37", "3.7.9"
+  python "python37", "3.7.8"
   python "python38", "3.8.5"
 
   if (System.getenv("PYCHARM_BOOTSTRAP_ANACONDA") == "true") {