diff --git a/manifests/matrix_chart/matrix_chart.yaml b/manifests/matrix_chart/matrix_chart.yaml
index f31957d..1cb057b 100644
--- a/manifests/matrix_chart/matrix_chart.yaml
+++ b/manifests/matrix_chart/matrix_chart.yaml
@@ -431,7 +431,7 @@ spec:
         fsGroup: 1000
       initContainers:
         - name: generate-signing-key
-          image: "matrixdotorg/synapse:v1.87.0"
+          image: "matrixdotorg/synapse:v1.88.0"
           imagePullPolicy: IfNotPresent
           env:
             - name: SYNAPSE_SERVER_NAME
@@ -458,7 +458,7 @@ spec:
               mountPath: /data/keys
       containers:
         - name: "synapse"
-          image: "matrixdotorg/synapse:v1.87.0"
+          image: "matrixdotorg/synapse:v1.88.0"
           imagePullPolicy: IfNotPresent
           ports:
             - name: http