diff --git a/.github/workflows/ci-linux.yml b/.github/workflows/ci-linux.yml
index 4e92d9899..f0c202512 100644
--- a/.github/workflows/ci-linux.yml
+++ b/.github/workflows/ci-linux.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Install deps
       run: |
         sudo apt-get install check ninja-build doxygen
@@ -41,7 +41,7 @@ jobs:
 
     - name: Upload Test Results
       if: always()
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v4
       with:
         name: Test Results ${{ matrix.compiler }}
         path: "*.xml"
@@ -55,7 +55,7 @@ jobs:
     if: always()
     steps:
       - name: Download Artifacts
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v4
         with:
           path: artifacts
 
diff --git a/test/apps/config_linger/lwipopts_test.h b/test/apps/socket_linger/lwipopts_test.h
similarity index 100%
rename from test/apps/config_linger/lwipopts_test.h
rename to test/apps/socket_linger/lwipopts_test.h
diff --git a/test/apps/config_linger_reuse/lwipopts_test.h b/test/apps/socket_linger_reuse/lwipopts_test.h
similarity index 100%
rename from test/apps/config_linger_reuse/lwipopts_test.h
rename to test/apps/socket_linger_reuse/lwipopts_test.h
diff --git a/test/apps/config_no_linger/lwipopts_test.h b/test/apps/socket_no_linger/lwipopts_test.h
similarity index 100%
rename from test/apps/config_no_linger/lwipopts_test.h
rename to test/apps/socket_no_linger/lwipopts_test.h
diff --git a/test/apps/test_apps.c b/test/apps/test_apps.c
index 3fdcd2b56..8b9fe6a9f 100644
--- a/test/apps/test_apps.c
+++ b/test/apps/test_apps.c
@@ -21,17 +21,6 @@ Suite* create_suite(const char* name, testfunc *tests, size_t num_tests, SFun se
   return s;
 }
 
-void lwip_check_ensure_no_alloc(unsigned int skip)
-{
-  int i;
-  unsigned int mask;
-  for (i = 0, mask = 1; i < MEMP_MAX; i++, mask <<= 1) {
-    if (!(skip & mask)) {
-      fail_unless(lwip_stats.memp[i]->used == 0);
-    }
-  }
-}
-
 int main(void)
 {
   int number_failed;
diff --git a/test/ci/test_apps.sh b/test/ci/test_apps.sh
index 6d4fcc56c..09b754014 100755
--- a/test/ci/test_apps.sh
+++ b/test/ci/test_apps.sh
@@ -4,17 +4,22 @@ set -e
 export LWIP_DIR=`pwd`
 export LWIP_CONTRIB_DIR=`pwd`/contrib
 
+TEST_APPS="socket_no_linger socket_linger socket_linger_reuse"
+STRESS_TEST_APPS="socket_linger"
+
 cd test/apps
 # Prepare a failing report in case we get stuck (check in no-fork mode)
 python socket_linger_stress_test.py failed > ${LWIP_DIR}/socket_linger_stress_test.xml
-for cfg in config_no_linger config_linger config_linger_reuse; do
-    cmake -DCI_BUILD=1 -DTEST_CONFIG=${cfg} -B ${cfg} -G Ninja .
-    cmake --build ${cfg}/
-    timeout 10 ./${cfg}/lwip_test_apps
+for app in $TEST_APPS; do
+    cmake -DCI_BUILD=1 -DTEST_CONFIG=${app} -B ${app} -G Ninja .
+    cmake --build ${app}/
+    timeout 10 ./${app}/lwip_test_apps
     [ -f check2junit.py ] &&
-        python ${LWIP_DIR}/check2junit.py lwip_test_apps.xml > ${LWIP_DIR}/${cfg}.xml
+        python ${LWIP_DIR}/check2junit.py lwip_test_apps.xml > ${LWIP_DIR}/${app}.xml
 done
 # Run the lingering test multiple times
-for run in {1..10}; do ( timeout 10 ./config_linger/lwip_test_apps ) || exit 1 ; done
+for stress_cfg in $STRESS_TEST_APPS; do
+  for run in {1..1000}; do ( timeout 10 ./$stress_cfg/lwip_test_apps ) || exit 1 ; done;
+done
 # All good, regenerate the stress test-report, since the test succeeded
 python socket_linger_stress_test.py > ${LWIP_DIR}/socket_linger_stress_test.xml