diff --git a/e2e/Makefile b/e2e/Makefile
index 7b0ab95..3d26a30 100644
--- a/e2e/Makefile
+++ b/e2e/Makefile
@@ -96,20 +96,20 @@ update-tools-version: login-gh
 	NEW_VERSION=$$(echo $(latest_gh) | cut -b 2-); \
 	sed -i -e "s/YQ_VERSION := .*/YQ_VERSION := $${NEW_VERSION}/g" Makefile.versions
 
-	$(call get-latest-tag,pushgateway)
+	$(call get-latest-gh-package-tag,pushgateway)
 	NEW_VERSION=$$(echo $(latest_tag)); \
 	sed -i -e "s/PUSHGATEWAY_IMAGE_VERSION := .*/PUSHGATEWAY_IMAGE_VERSION := $${NEW_VERSION}/g" Makefile.versions
 
-# usage: get-latest-tag NAME
-define get-latest-tag
-$(eval latest_tag := $(shell wget -O - https://quay.io/api/v1/repository/cybozu/$1/tag/ | jq -r '.tags[] | .name' | awk '/.*\..*\./ {print $$1; exit}'))
-endef
-
 # usage get-latest-gh OWNER/REPO
 define get-latest-gh
 $(eval latest_gh := $(shell $(GH) release list --repo $1 | grep Latest | cut -f3))
 endef
 
+# usage: get-latest-gh-package-tag NAME
+define get-latest-gh-package-tag
+$(eval latest_tag := $(shell curl -sSf -H "Authorization: Bearer $(shell curl -sSf "https://ghcr.io/token?scope=repository%3Acybozu%2F$1%3Apull&service=ghcr.io" | jq -r .token)" https://ghcr.io/v2/cybozu/$1/tags/list | jq -r '.tags[]' | sort -Vr | head -n 1))
+endef
+
 .PHONY: gh
 gh: $(GH)
 $(GH): $(BIN_DIR)
diff --git a/e2e/Makefile.versions b/e2e/Makefile.versions
index 5173e9c..283904b 100644
--- a/e2e/Makefile.versions
+++ b/e2e/Makefile.versions
@@ -1,7 +1,7 @@
 E2ETEST_K8S_VERSION  := 1.26.3
 KIND_VERSION := 0.20.0
 KUSTOMIZE_VERSION := 5.1.0
-PUSHGATEWAY_IMAGE_VERSION := 1.5.1.1
+PUSHGATEWAY_IMAGE_VERSION := 1.6.0.3
 GH_VERSION := 2.30.0
 ACTIONS_CACHE_VERSION := 3
 ACTIONS_CHECKOUT_VERSION := 3
diff --git a/e2e/manifests/pushgateway/deployment.yaml b/e2e/manifests/pushgateway/deployment.yaml
index 1cbbb5c..ed5cab9 100644
--- a/e2e/manifests/pushgateway/deployment.yaml
+++ b/e2e/manifests/pushgateway/deployment.yaml
@@ -19,7 +19,7 @@ spec:
     spec:
       containers:
       - name: pushgateway
-        image: quay.io/cybozu/pushgateway:1.5.1.1
+        image: ghcr.io/cybozu/pushgateway:1.6.0.3
         ports:
         - containerPort: 9091
         livenessProbe:
@@ -33,4 +33,4 @@ spec:
             path: /-/ready
             port: 9091
           initialDelaySeconds: 10
-          timeoutSeconds: 10
\ No newline at end of file
+          timeoutSeconds: 10
diff --git a/e2e/manifests/pushgateway/kustomization.yaml b/e2e/manifests/pushgateway/kustomization.yaml
index 3139ed7..0e77ab7 100644
--- a/e2e/manifests/pushgateway/kustomization.yaml
+++ b/e2e/manifests/pushgateway/kustomization.yaml
@@ -3,5 +3,5 @@ resources:
   - deployment.yaml
   - service.yaml
 images:
-  - name: quay.io/cybozu/pushgateway
-    newTag: 1.5.1.1
\ No newline at end of file
+  - name: ghcr.io/cybozu/pushgateway
+    newTag: 1.6.0.3