diff --git a/argocd/manifests/mosquitto/deployment.yaml b/argocd/manifests/mosquitto/deployment.yaml
index 5836e60..55abf96 100644
--- a/argocd/manifests/mosquitto/deployment.yaml
+++ b/argocd/manifests/mosquitto/deployment.yaml
@@ -16,7 +16,7 @@ spec:
     spec:
       containers:
         - name: mosquitto
-          image: eclipse-mosquitto:2.1.2
+          image: eclipse-mosquitto:2.0.22
           ports:
             - containerPort: 1883
               name: mqtt
diff --git a/docs/changelog.d/service-review-mosquitto-tailscale-operator.infra.md b/docs/changelog.d/service-review-mosquitto-tailscale-operator.infra.md
index 42cce6e..8e73945 100644
--- a/docs/changelog.d/service-review-mosquitto-tailscale-operator.infra.md
+++ b/docs/changelog.d/service-review-mosquitto-tailscale-operator.infra.md
@@ -1 +1 @@
-First service version review: pin mosquitto to 2.1.2, bump tailscale-operator to v1.94.2, record 7 reviewed services
+First service version review: pin mosquitto to 2.0.22, bump tailscale-operator to v1.94.2, record 7 reviewed services
diff --git a/service-versions.yaml b/service-versions.yaml
index 46c24aa..086379c 100644
--- a/service-versions.yaml
+++ b/service-versions.yaml
@@ -35,7 +35,7 @@ services:
   - name: mosquitto
     type: argocd
     last-reviewed: 2026-02-16
-    current-version: "2.1.2"
+    current-version: "2.0.22"
     upstream-source: https://github.com/eclipse/mosquitto/releases
 
   - name: ntfy