diff --git a/.github/workflows/ca-ssnv1-test.yml b/.github/workflows/ca-ssnv1-test.yml
index 50cde74da55..708e881a294 100644
--- a/.github/workflows/ca-ssnv1-test.yml
+++ b/.github/workflows/ca-ssnv1-test.yml
@@ -834,7 +834,7 @@ jobs:
               > >(tee stdout) 2> >(tee stderr >&2) || true
 
           cat > expected << EOF
-          PKIException: Unable to create enrollment request: Unable to create enrollment request: All serial numbers are used. The max serial number is 0x31
+          PKIException: Unable to create enrollment request: Unable to create enrollment request: All serial numbers are used. The max serial number is 30
           EOF
 
           diff expected stderr
diff --git a/.github/workflows/ca-ssnv2-test.yml b/.github/workflows/ca-ssnv2-test.yml
index 6162a6fe533..3e6b12a35d6 100644
--- a/.github/workflows/ca-ssnv2-test.yml
+++ b/.github/workflows/ca-ssnv2-test.yml
@@ -865,7 +865,7 @@ jobs:
               > >(tee stdout) 2> >(tee stderr >&2) || true
 
           cat > expected << EOF
-          PKIException: Unable to create enrollment request: Unable to create enrollment request: All serial numbers are used. The max serial number is 0x31
+          PKIException: Unable to create enrollment request: Unable to create enrollment request: All serial numbers are used. The max serial number is 30
           EOF
 
           diff expected stderr