diff --git a/oslo.concurrency b/oslo.concurrency
index 3280b697ac..fac974b1a0 160000
--- a/oslo.concurrency
+++ b/oslo.concurrency
@@ -1 +1 @@
-Subproject commit 3280b697acd89f3ac54e66829936a06eada2e803
+Subproject commit fac974b1a0292dfaa230de569ac97c18f345c23b