diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 5ba5633f6..81336ba04 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -47,14 +47,14 @@ jobs:
       run: |
         mkdir -p build
         cd build
-        CC=gcc-12 CXX=g++-12 cmake              \
-          -DCMAKE_BUILD_TYPE=$BUILD_TYPE        \
-          -DCMAKE_INSTALL_PREFIX="$PWD/install" \
-          -DCMAKE_C_COMPILER_LAUNCHER=ccache    \
-          -DCMAKE_CXX_COMPILER_LAUNCHER=ccache  \
-          -DCMAKE_C_FLAGS="-fuse-ld=lld"        \
-          -DCMAKE_CXX_FLAGS="-fuse-ld=lld"      \
-          -DIMHEX_PATTERNS_PULL_MASTER=ON       \
+        CC=gcc-12 CXX=g++-12 cmake                                                                      \
+          -DCMAKE_BUILD_TYPE=$BUILD_TYPE                                                                \
+          -DCMAKE_INSTALL_PREFIX="$PWD/install"                                                         \
+          -DCMAKE_C_COMPILER_LAUNCHER=ccache                                                            \
+          -DCMAKE_CXX_COMPILER_LAUNCHER=ccache                                                          \
+          -DCMAKE_C_FLAGS="-fuse-ld=lld -fsanitize=address,leak,undefined -fno-sanitize-recover=all"    \
+          -DCMAKE_CXX_FLAGS="-fuse-ld=lld -fsanitize=address,leak,undefined -fno-sanitize-recover=all"  \
+          -DIMHEX_OFFLINE_BUILD=ON                                                                      \
           ..
         make -j4 unit_tests install
 
diff --git a/lib/external/pattern_language b/lib/external/pattern_language
index a385803c1..94f67b7ff 160000
--- a/lib/external/pattern_language
+++ b/lib/external/pattern_language
@@ -1 +1 @@
-Subproject commit a385803c1d8eb467833cfe30c70fad98cfe4b941
+Subproject commit 94f67b7ff81c97379c679c74ff7459a973d08093