diff --git a/st2actions/requirements.txt b/st2actions/requirements.txt
index e8d75c730a..34c76a5fe8 100644
--- a/st2actions/requirements.txt
+++ b/st2actions/requirements.txt
@@ -11,7 +11,7 @@ chardet==5.2.0
 eventlet==0.33.3
 gitpython==3.1.40
 jinja2
-kombu==5.3.4
+kombu==5.2.0
 lockfile==0.12.2
 logshipper@ git+https://github.com/StackStorm/logshipper.git@stackstorm_patched ; platform_system=="Linux"
 oslo.config>=1.12.1,<1.13
diff --git a/st2api/requirements.txt b/st2api/requirements.txt
index f714d1fdf8..210c3d0f34 100644
--- a/st2api/requirements.txt
+++ b/st2api/requirements.txt
@@ -8,7 +8,7 @@
 eventlet==0.33.3
 gunicorn==21.2.0
 jsonschema==2.6.0
-kombu==5.3.4
+kombu==5.2.0
 mongoengine==0.23.0
 oslo.config>=1.12.1,<1.13
 oslo.utils<5.0,>=4.0.0
diff --git a/st2common/requirements.txt b/st2common/requirements.txt
index 371090cdeb..3a15711371 100644
--- a/st2common/requirements.txt
+++ b/st2common/requirements.txt
@@ -22,7 +22,7 @@ greenlet==3.0.1
 jinja2
 jsonpath-rw==1.4.0
 jsonschema==2.6.0
-kombu==5.3.4
+kombu==5.2.0
 lockfile==0.12.2
 mongoengine==0.23.0
 networkx
diff --git a/st2reactor/requirements.txt b/st2reactor/requirements.txt
index 36e464caf3..593f4dd8ec 100644
--- a/st2reactor/requirements.txt
+++ b/st2reactor/requirements.txt
@@ -9,7 +9,7 @@ apscheduler==3.10.4
 eventlet==0.33.3
 jsonpath-rw==1.4.0
 jsonschema==2.6.0
-kombu==5.3.4
+kombu==5.2.0
 oslo.config>=1.12.1,<1.13
 python-dateutil==2.8.1
 six==1.16.0
diff --git a/st2stream/requirements.txt b/st2stream/requirements.txt
index ad98626e64..d714c3ceb4 100644
--- a/st2stream/requirements.txt
+++ b/st2stream/requirements.txt
@@ -8,7 +8,7 @@
 eventlet==0.33.3
 gunicorn==21.2.0
 jsonschema==2.6.0
-kombu==5.3.4
+kombu==5.2.0
 mongoengine==0.23.0
 oslo.config>=1.12.1,<1.13
 oslo.utils<5.0,>=4.0.0