diff --git a/tools/docker/entrypoint.sh b/tools/docker/entrypoint.sh
index 660e46ec5..618b2eb60 100755
--- a/tools/docker/entrypoint.sh
+++ b/tools/docker/entrypoint.sh
@@ -1,5 +1,11 @@
 #!/bin/sh
 
+# This is important in order to provide enough locked memory to dragonfly
+# when running on kernels < 5.12.
+# This line should reside before `set -e` so it could fail silently
+# in case the container runs in non-privileged mode.
+ulimit -l 65000 2> /dev/null
+
 set -e
 
 # first arg is `-some-option`