diff --git a/gapic/packaging/api_defaults.yaml b/gapic/packaging/api_defaults.yaml
index 3ef97f09..6cb3bb14 100644
--- a/gapic/packaging/api_defaults.yaml
+++ b/gapic/packaging/api_defaults.yaml
@@ -35,8 +35,8 @@ generated_package_version:
   ruby:
     lower: '0.1.0'
   java:
-    lower: '0.10.0'
+    lower: '0.9.0'
 
 generated_ga_package_version:
   java:
-    lower: '1.9.0'
+    lower: '1.8.0'
diff --git a/gapic/packaging/dependencies.yaml b/gapic/packaging/dependencies.yaml
index 003bed3d..fec5ebe8 100644
--- a/gapic/packaging/dependencies.yaml
+++ b/gapic/packaging/dependencies.yaml
@@ -83,7 +83,7 @@ google-common-protos_version:
     name_override: googleapis-common-protos
     lower: '1.3.1'
   java:
-    lower: '1.9.0'
+    lower: '1.8.0'
 
 google-iam-v1_version:
   csharp:
@@ -97,7 +97,7 @@ google-iam-v1_version:
     name_override: grpc-google-iam-v1
     lower: '0.6.9'
   java:
-    lower: '0.10.0'
+    lower: '0.9.0'
 
 api_common_version:
   java: