diff --git a/gatk.wdl b/gatk.wdl
index 78d7a19fdfa99a5b21f33e9eafb5c15619f1f49f..f4ec4f350a8d532393e14d66cd96b1cffca281f4 100644
--- a/gatk.wdl
+++ b/gatk.wdl
@@ -467,7 +467,7 @@ task CombineVariants {
 
         String memory = "24G"
         String javaXmx = "12G"
-        String dockerImage = "quay.io/biocontainers/gatk4:4.1.0.0--0"
+        String dockerImage = "broadinstitute/gatk3:3.8-1"
     }
 
     command <<<