diff --git a/src/META-INF/test-hash.cdkdepends b/src/META-INF/test-hash.cdkdepends
index 0bdb895bc55..e6f78f5cef4 100644
--- a/src/META-INF/test-hash.cdkdepends
+++ b/src/META-INF/test-hash.cdkdepends
@@ -5,6 +5,7 @@ cdk-test.jar
 cdk-data.jar
 cdk-core.jar
 cdk-io.jar
+cdk-ioformats.jar
 cdk-testdata.jar
 cdk-standard.jar
 cdk-atomtype.jar