diff --git a/.github/workflows/e2e-tests-split.yml b/.github/workflows/e2e-tests-split.yml
index e63386cd..5ada70a7 100644
--- a/.github/workflows/e2e-tests-split.yml
+++ b/.github/workflows/e2e-tests-split.yml
@@ -186,9 +186,9 @@ jobs:
           while [[ ${ATTEMPT} -lt ${MAX_ATTEMPTS} ]]; do
             ATTEMPT=$((ATTEMPT + 1))
             echo "Attempt ${ATTEMPT}/${MAX_ATTEMPTS}..."
-            if curl -sf http://localhost:8080/api/v1/health > /dev/null 2>&1; then
+            if curl -sf http://127.0.0.1:8080/api/v1/health > /dev/null 2>&1; then
               echo "✅ Charon is healthy!"
-              curl -s http://localhost:8080/api/v1/health | jq .
+              curl -s http://127.0.0.1:8080/api/v1/health | jq .
               exit 0
             fi
             sleep 2
@@ -233,7 +233,7 @@ jobs:
           echo "Chromium Shard ${{ matrix.shard }} Complete | Duration: ${SHARD_DURATION}s"
           echo "════════════════════════════════════════════"
         env:
-          PLAYWRIGHT_BASE_URL: http://localhost:8080
+          PLAYWRIGHT_BASE_URL: http://127.0.0.1:8080
           CI: true
           TEST_WORKER_INDEX: ${{ matrix.shard }}
 
@@ -351,9 +351,9 @@ jobs:
           while [[ ${ATTEMPT} -lt ${MAX_ATTEMPTS} ]]; do
             ATTEMPT=$((ATTEMPT + 1))
             echo "Attempt ${ATTEMPT}/${MAX_ATTEMPTS}..."
-            if curl -sf http://localhost:8080/api/v1/health > /dev/null 2>&1; then
+            if curl -sf http://127.0.0.1:8080/api/v1/health > /dev/null 2>&1; then
               echo "✅ Charon is healthy!"
-              curl -s http://localhost:8080/api/v1/health | jq .
+              curl -s http://127.0.0.1:8080/api/v1/health | jq .
               exit 0
             fi
             sleep 2
@@ -406,7 +406,7 @@ jobs:
           echo "Firefox Shard ${{ matrix.shard }} Complete | Duration: ${SHARD_DURATION}s"
           echo "════════════════════════════════════════════"
         env:
-          PLAYWRIGHT_BASE_URL: http://localhost:8080
+          PLAYWRIGHT_BASE_URL: http://127.0.0.1:8080
           CI: true
           TEST_WORKER_INDEX: ${{ matrix.shard }}
 
@@ -524,9 +524,9 @@ jobs:
           while [[ ${ATTEMPT} -lt ${MAX_ATTEMPTS} ]]; do
             ATTEMPT=$((ATTEMPT + 1))
             echo "Attempt ${ATTEMPT}/${MAX_ATTEMPTS}..."
-            if curl -sf http://localhost:8080/api/v1/health > /dev/null 2>&1; then
+            if curl -sf http://127.0.0.1:8080/api/v1/health > /dev/null 2>&1; then
               echo "✅ Charon is healthy!"
-              curl -s http://localhost:8080/api/v1/health | jq .
+              curl -s http://127.0.0.1:8080/api/v1/health | jq .
               exit 0
             fi
             sleep 2
@@ -579,7 +579,7 @@ jobs:
           echo "WebKit Shard ${{ matrix.shard }} Complete | Duration: ${SHARD_DURATION}s"
           echo "════════════════════════════════════════════"
         env:
-          PLAYWRIGHT_BASE_URL: http://localhost:8080
+          PLAYWRIGHT_BASE_URL: http://127.0.0.1:8080
           CI: true
           TEST_WORKER_INDEX: ${{ matrix.shard }}