diff --git a/build/fbcode_builder/specs/fbzmq.py b/build/fbcode_builder/specs/fbzmq.py
index b4e392b1e..588b34967 100644
--- a/build/fbcode_builder/specs/fbzmq.py
+++ b/build/fbcode_builder/specs/fbzmq.py
@@ -15,7 +15,7 @@ from shell_quoting import ShellQuoted
 
 
 def fbcode_builder_spec(builder):
-    builder.add_option('zeromq/libzmq:git_hash', 'v4.2.5')
+    builder.add_option('zeromq/libzmq:git_hash', 'v4.2.2')
     return {
         'depends_on': [folly, fbthrift, gmock, sodium, sigar],
         'steps': [