diff --git a/prow/cluster/jobs/istio/proxy/istio.proxy.master.yaml b/prow/cluster/jobs/istio/proxy/istio.proxy.master.yaml
index a52e223acca..1393ec3cfa9 100644
--- a/prow/cluster/jobs/istio/proxy/istio.proxy.master.yaml
+++ b/prow/cluster/jobs/istio/proxy/istio.proxy.master.yaml
@@ -1,7 +1,7 @@
 
 bazel_postsubmit_spec: &bazel_postsubmit_spec
   containers:
-  - image: gcr.io/istio-testing/prowbazel:0.5.1
+  - image: gcr.io/istio-testing/prowbazel:0.5.2
     args:
     - "--repo=github.com/$(REPO_OWNER)/$(REPO_NAME)=$(PULL_REFS)"
     - "--clean"
@@ -21,7 +21,7 @@ bazel_postsubmit_spec: &bazel_postsubmit_spec
 
 bazel_spec: &bazel_spec
   containers:
-  - image: gcr.io/istio-testing/prowbazel:0.5.1
+  - image: gcr.io/istio-testing/prowbazel:0.5.2
     args:
     - "--repo=github.com/$(REPO_OWNER)/$(REPO_NAME)=$(PULL_REFS)"
     - "--clean"
diff --git a/prow/cluster/jobs/istio/proxy/istio.proxy.wasm.yaml b/prow/cluster/jobs/istio/proxy/istio.proxy.wasm.yaml
index 0a73ebe7ac5..6c1ab7fc60b 100644
--- a/prow/cluster/jobs/istio/proxy/istio.proxy.wasm.yaml
+++ b/prow/cluster/jobs/istio/proxy/istio.proxy.wasm.yaml
@@ -1,7 +1,7 @@
 
 bazel_postsubmit_spec: &bazel_postsubmit_spec
   containers:
-  - image: gcr.io/istio-testing/prowbazel:0.5.1
+  - image: gcr.io/istio-testing/prowbazel:0.5.2
     args:
     - "--repo=github.com/$(REPO_OWNER)/$(REPO_NAME)=$(PULL_REFS)"
     - "--clean"
@@ -21,7 +21,7 @@ bazel_postsubmit_spec: &bazel_postsubmit_spec
 
 bazel_spec: &bazel_spec
   containers:
-  - image: gcr.io/istio-testing/prowbazel:0.5.1
+  - image: gcr.io/istio-testing/prowbazel:0.5.2
     args:
     - "--repo=github.com/$(REPO_OWNER)/$(REPO_NAME)=$(PULL_REFS)"
     - "--clean"