diff --git a/front50-gcs/front50-gcs.gradle b/front50-gcs/front50-gcs.gradle
index 2ffb1f342..f6ff3f47f 100644
--- a/front50-gcs/front50-gcs.gradle
+++ b/front50-gcs/front50-gcs.gradle
@@ -21,8 +21,12 @@ dependencies {
   implementation project(":front50-api")
 
   implementation "com.fasterxml.jackson.core:jackson-databind"
-  implementation "com.google.apis:google-api-services-storage"
-  implementation "com.google.auth:google-auth-library-oauth2-http"
+  implementation ("com.google.apis:google-api-services-storage:v1-rev20200326-1.30.9") {
+       force=true
+  }
+  implementation ("com.google.auth:google-auth-library-oauth2-http:0.20.0") {
+       force=true
+  }
   // TODO(plumpy): remove version once added to kork
   implementation "com.google.cloud:google-cloud-storage:1.108.0"
   implementation "com.google.guava:guava"