diff --git a/.github/workflows/test-sync.yml b/.github/workflows/test-sync.yml
index f9bd9ed..373a967 100644
--- a/.github/workflows/test-sync.yml
+++ b/.github/workflows/test-sync.yml
@@ -67,6 +67,7 @@ jobs:
         python ../tests/src/stratum_dummy.py 1 &
         python ../tests/src/stratum_dummy.py 2 &
         python ../tests/src/stratum_dummy.py 3 &
+        sudo sysctl vm.mmap_rnd_bits=28
         TSAN_OPTIONS="suppressions=../tests/src/tsan_sup.txt halt_on_error=1" ./p2pool --host xmrnode.facspro.net --rpc-port 18089 --zmq-port 18084 --host xmr2.rs.me --wallet 44MnN1f3Eto8DZYUWuE5XZNUtE3vcRzt2j6PzqWpPau34e6Cf4fAxt6X2MBmrm6F9YMEiMNjN6W4Shn4pLcfNAja621jwyg --mini --out-peers 200 --data-api data --local-api --loglevel 6
 
     - name: Check p2pool.log
@@ -152,6 +153,7 @@ jobs:
         python ../tests/src/stratum_dummy.py 1 &
         python ../tests/src/stratum_dummy.py 2 &
         python ../tests/src/stratum_dummy.py 3 &
+        sudo sysctl vm.mmap_rnd_bits=28
         MSAN_OPTIONS="halt_on_error=1" ./p2pool --host xmrnode.facspro.net --rpc-port 18089 --zmq-port 18084 --host xmr2.rs.me --wallet 44MnN1f3Eto8DZYUWuE5XZNUtE3vcRzt2j6PzqWpPau34e6Cf4fAxt6X2MBmrm6F9YMEiMNjN6W4Shn4pLcfNAja621jwyg --mini --out-peers 200 --data-api data --local-api --loglevel 6
 
     - name: Check p2pool.log
@@ -198,6 +200,7 @@ jobs:
         python ../tests/src/stratum_dummy.py 1 &
         python ../tests/src/stratum_dummy.py 2 &
         python ../tests/src/stratum_dummy.py 3 &
+        sudo sysctl vm.mmap_rnd_bits=28
         UBSAN_OPTIONS="suppressions=../tests/src/ubsan_sup.txt halt_on_error=1" ./p2pool --host xmrnode.facspro.net --rpc-port 18089 --zmq-port 18084 --host xmr2.rs.me --wallet 44MnN1f3Eto8DZYUWuE5XZNUtE3vcRzt2j6PzqWpPau34e6Cf4fAxt6X2MBmrm6F9YMEiMNjN6W4Shn4pLcfNAja621jwyg --mini --out-peers 200 --data-api data --local-api --loglevel 6
 
     - name: Check p2pool.log
@@ -244,6 +247,7 @@ jobs:
         python ../tests/src/stratum_dummy.py 1 &
         python ../tests/src/stratum_dummy.py 2 &
         python ../tests/src/stratum_dummy.py 3 &
+        sudo sysctl vm.mmap_rnd_bits=28
         ASAN_OPTIONS="detect_stack_use_after_return=1 atexit=1" ./p2pool --host xmrnode.facspro.net --rpc-port 18089 --zmq-port 18084 --host xmr2.rs.me --wallet 44MnN1f3Eto8DZYUWuE5XZNUtE3vcRzt2j6PzqWpPau34e6Cf4fAxt6X2MBmrm6F9YMEiMNjN6W4Shn4pLcfNAja621jwyg --mini --out-peers 200 --data-api data --local-api --loglevel 6
 
     - name: Check p2pool.log