diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3778d0326..449ec5749 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -33,7 +33,10 @@ jobs:
         # build with TLS module just for compilation coverage
         run: make SANITIZER=address REDIS_CFLAGS='-Werror -DDEBUG_ASSERTIONS' BUILD_TLS=module
       - name: testprep
-        run: sudo apt-get install tcl8.6 tclx -y
+        # Work around ASAN issue, see https://github.com/google/sanitizers/issues/1716
+        run: |
+          sudo apt-get install tcl8.6 tclx -y
+          sudo sysctl vm.mmap_rnd_bits=28
       - name: test
         run: ./runtest --verbose --tags -slow --dump-logs
       - name: module api test
diff --git a/.github/workflows/daily.yml b/.github/workflows/daily.yml
index 8e382ec80..cff406183 100644
--- a/.github/workflows/daily.yml
+++ b/.github/workflows/daily.yml
@@ -589,9 +589,11 @@ jobs:
       - name: make
         run: make SANITIZER=address REDIS_CFLAGS='-DREDIS_TEST -Werror -DDEBUG_ASSERTIONS'
       - name: testprep
+        # Work around ASAN issue, see https://github.com/google/sanitizers/issues/1716
         run: |
           sudo apt-get update
           sudo apt-get install tcl8.6 tclx -y
+          sudo sysctl vm.mmap_rnd_bits=28
       - name: test
         if: true && !contains(github.event.inputs.skiptests, 'redis')
         run: ./runtest --accurate --verbose --dump-logs ${{github.event.inputs.test_args}}