diff --git a/.github/workflows/e2e.yaml b/.github/workflows/e2e.yaml
index 2f7164829..249e4ba9f 100644
--- a/.github/workflows/e2e.yaml
+++ b/.github/workflows/e2e.yaml
@@ -22,11 +22,11 @@ jobs:
         case "${TARGET}" in
           linux-amd64-e2e)
             PASSES='build release e2e' MANUAL_VER=v3.5.0 CPU='4' EXPECT_DEBUG='true' COVER='false' RACE='true' ./scripts/test.sh 2>&1 | tee test.log
-            ! egrep "(--- FAIL:|FAIL:|DATA RACE|panic: test timed out|appears to have leaked)" -B50 -A10 test.log
+            ! grep -E "(--- FAIL:|FAIL:|DATA RACE|panic: test timed out|appears to have leaked)" -B50 -A10 test.log
             ;;
           linux-386-e2e)
             GOARCH=386 PASSES='build e2e' CPU='4' EXPECT_DEBUG='true' COVER='false' RACE='true' ./scripts/test.sh 2>&1 | tee test.log
-            ! egrep "(--- FAIL:|FAIL:|DATA RACE|panic: test timed out|appears to have leaked)" -B50 -A10 test.log
+            ! grep -E "(--- FAIL:|FAIL:|DATA RACE|panic: test timed out|appears to have leaked)" -B50 -A10 test.log
             ;;
           *)
             echo "Failed to find target"
diff --git a/.github/workflows/grpcproxy.yaml b/.github/workflows/grpcproxy.yaml
index 470d159fc..099619af7 100644
--- a/.github/workflows/grpcproxy.yaml
+++ b/.github/workflows/grpcproxy.yaml
@@ -22,11 +22,11 @@ jobs:
         case "${TARGET}" in
           linux-amd64-grpcproxy-integration)
             PASSES='build grpcproxy_integration'  CPU='4' COVER='false' RACE='true' ./scripts/test.sh 2>&1 | tee test.log
-            ! egrep "(--- FAIL:|FAIL:|DATA RACE|panic: test timed out|appears to have leaked)" -B50 -A10 test.log
+            ! grep -E "(--- FAIL:|FAIL:|DATA RACE|panic: test timed out|appears to have leaked)" -B50 -A10 test.log
             ;;
           linux-amd64-grpcproxy-e2e)
             PASSES='build grpcproxy_e2e'  CPU='4' COVER='false' RACE='true' ./scripts/test.sh 2>&1 | tee test.log
-            ! egrep "(--- FAIL:|FAIL:|DATA RACE|panic: test timed out|appears to have leaked)" -B50 -A10 test.log
+            ! grep -E "(--- FAIL:|FAIL:|DATA RACE|panic: test timed out|appears to have leaked)" -B50 -A10 test.log
             ;;
           *)
             echo "Failed to find target"