diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d50dfa2..307b99f 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -10,6 +10,6 @@ jobs:
       - uses: aviate-labs/setup-dfx@v0.3.2
         with:
           dfx-version: 0.18.0
-          pocket-ic-version: release-2024-04-24_23-01-base
+          pocket-ic-version: 4.0.0
       - run: mv ic/testdata/networks.json $HOME/.config/dfx/networks.json
       - run: make test
diff --git a/pocketic/server.go b/pocketic/server.go
index ae1a434..c544c0b 100644
--- a/pocketic/server.go
+++ b/pocketic/server.go
@@ -57,7 +57,7 @@ func newServer(opts ...serverOption) (*server, error) {
 		return nil, fmt.Errorf("failed to get pocket-ic version: %v", err)
 	}
 	version := strings.TrimPrefix(strings.TrimSpace(string(rawVersion)), "pocket-ic-server ")
-	if !strings.HasPrefix(version, "3.") {
+	if !strings.HasPrefix(version, "4.") {
 		return nil, fmt.Errorf("unsupported pocket-ic version, must be v3.x: %s", version)
 	}