diff --git a/ci/azure/azure-gcc-8-ubuntu-mpich.yml b/ci/azure/azure-gcc-8-ubuntu-mpich.yml
index 9fa9d5e1f9..55b4cde549 100644
--- a/ci/azure/azure-gcc-8-ubuntu-mpich.yml
+++ b/ci/azure/azure-gcc-8-ubuntu-mpich.yml
@@ -55,7 +55,7 @@ variables:
   TS_YEAR: 0
   TS_MONTH: 0
   TS_DAY: 0
-  LSAN_OPTIONS: suppressions=/vt/tests/knowns_leaks.supp
+  LSAN_OPTIONS: suppressions=/vt/tests/lsan.supp
 
 stages:
 - stage: Build
diff --git a/ci/docker/ubuntu-20.04-clang-cpp.dockerfile b/ci/docker/ubuntu-20.04-clang-cpp.dockerfile
index d1837d4ebf..3d8ce9d990 100644
--- a/ci/docker/ubuntu-20.04-clang-cpp.dockerfile
+++ b/ci/docker/ubuntu-20.04-clang-cpp.dockerfile
@@ -25,6 +25,7 @@ RUN apt-get update -y -q && \
     make-guile \
     libomp5 \
     libomp-dev \
+    llvm-10 \
     ccache && \
     apt-get clean && \
     rm -rf /var/lib/apt/lists/*
diff --git a/cmake-modules/SetCXXCompilerFlags.cmake b/cmake-modules/SetCXXCompilerFlags.cmake
index e2292df69d..288f94afcf 100644
--- a/cmake-modules/SetCXXCompilerFlags.cmake
+++ b/cmake-modules/SetCXXCompilerFlags.cmake
@@ -28,4 +28,8 @@ elseif (NOT "${CMAKE_CXX_COMPILER_ID}" MATCHES "Intel")
   message(FATAL_ERROR "Your C++ compiler may not support C++14.")
 endif ()
 
+if (vt_asan_enabled)
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-omit-frame-pointer")
+endif()
 endmacro()
diff --git a/cmake/load_bundled_libraries.cmake b/cmake/load_bundled_libraries.cmake
index a8cf04be84..15caf466d8 100644
--- a/cmake/load_bundled_libraries.cmake
+++ b/cmake/load_bundled_libraries.cmake
@@ -49,14 +49,9 @@ endif()
 
 # Check if address sanitizer can be enabled
 if (vt_asan_enabled)
-  if(CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang" OR
-     CMAKE_CXX_COMPILER_ID STREQUAL "Clang" OR
-     (CMAKE_CXX_COMPILER_ID
-       STREQUAL
-       "GNU"
-       AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER "4.8"))
+  if (CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang" OR
+      CMAKE_CXX_COMPILER_ID STREQUAL "Clang" OR
+      CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
     message(STATUS "Building with address sanitizer enabled")
-  else()
-    message(SEND_ERROR "Cannot use ASAN without clang or gcc >= 4.8")
   endif()
 endif()
diff --git a/scripts/workflows-azure.ini b/scripts/workflows-azure.ini
index 1a1dcd22a6..5f7c8c8e71 100644
--- a/scripts/workflows-azure.ini
+++ b/scripts/workflows-azure.ini
@@ -166,7 +166,7 @@ vt_pool = 0
 vt_asan = 1
 output_name = ci/azure/azure-gcc-8-ubuntu-mpich.yml
 vt_use_std_thread = 1
-lsan_options = suppressions=/vt/tests/knowns_leaks.supp
+lsan_options = suppressions=/vt/tests/lsan.supp
 
 [PR-tests-gcc-9]
 test_configuration = "gcc-9, ubuntu, mpich, zoltan"
diff --git a/tests/knowns_leaks.supp b/tests/lsan.supp
similarity index 100%
rename from tests/knowns_leaks.supp
rename to tests/lsan.supp