diff --git a/prow/cluster/jobs/istio/proxy/istio.proxy.master.yaml b/prow/cluster/jobs/istio/proxy/istio.proxy.master.yaml
index b26d5467ed9..9ad8fcf2a24 100644
--- a/prow/cluster/jobs/istio/proxy/istio.proxy.master.yaml
+++ b/prow/cluster/jobs/istio/proxy/istio.proxy.master.yaml
@@ -21,7 +21,7 @@ presubmits:
       preset-service-account: "true"
     spec:
       containers:
-      - image: gcr.io/istio-testing/prowbazel:0.5.7
+      - image: gcr.io/istio-testing/prowbazel:0.5.8
         command:
         - ./prow/proxy-presubmit.sh
         resources:
@@ -50,7 +50,7 @@ presubmits:
       preset-service-account: "true"
     spec:
       containers:
-      - image: gcr.io/istio-testing/prowbazel:0.5.7
+      - image: gcr.io/istio-testing/prowbazel:0.5.8
         command:
         - ./prow/proxy-presubmit-asan.sh
         resources:
@@ -79,7 +79,7 @@ presubmits:
       preset-service-account: "true"
     spec:
       containers:
-      - image: gcr.io/istio-testing/prowbazel:0.5.7
+      - image: gcr.io/istio-testing/prowbazel:0.5.8
         command:
         - ./prow/proxy-presubmit-tsan.sh
         resources:
@@ -112,7 +112,7 @@ postsubmits:
       preset-service-account: "true"
     spec:
       containers:
-      - image: gcr.io/istio-testing/prowbazel:0.5.7
+      - image: gcr.io/istio-testing/prowbazel:0.5.8
         command:
         - ./prow/proxy-postsubmit.sh
         resources:
diff --git a/prow/cluster/jobs/istio/proxy/istio.proxy.wasm.yaml b/prow/cluster/jobs/istio/proxy/istio.proxy.wasm.yaml
index bc94bc5619c..f19eace36ba 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:0.5.7
+  - image: gcr.io/istio-testing/prowbazel:0.5.8
     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:0.5.7
+  - image: gcr.io/istio-testing/prowbazel:0.5.8
     args:
     - "--repo=github.com/$(REPO_OWNER)/$(REPO_NAME)=$(PULL_REFS)"
     - "--clean"