diff --git a/manifests/matrix_chart/matrix_chart.yaml b/manifests/matrix_chart/matrix_chart.yaml
index fe066af..f8e0cc7 100644
--- a/manifests/matrix_chart/matrix_chart.yaml
+++ b/manifests/matrix_chart/matrix_chart.yaml
@@ -446,7 +446,7 @@ spec:
         fsGroup: 1000
       initContainers:
         - name: generate-signing-key
-          image: "matrixdotorg/synapse:v1.43.0"
+          image: "matrixdotorg/synapse:v1.46.0"
           imagePullPolicy: IfNotPresent
           env:
             - name: SYNAPSE_SERVER_NAME
@@ -473,7 +473,7 @@ spec:
               mountPath: /data/keys
       containers:
         - name: "synapse"
-          image: "matrixdotorg/synapse:v1.65.0"
+          image: "matrixdotorg/synapse:v1.46.0"
           imagePullPolicy: IfNotPresent
           env:
             - name: UID