diff --git a/Dockerfile b/Dockerfile
index baeaa64..c12500b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ethereum/client-go:v1.11.6
+FROM ethereum/client-go:v1.11.5
 RUN  apk --update add curl
 
 COPY content .
diff --git a/content/genesis.json b/content/genesis.json
index ede3512..fd15cef 100644
--- a/content/genesis.json
+++ b/content/genesis.json
@@ -12,7 +12,6 @@
     "muirGlacierBlock": 0,
     "berlinBlock": 0,
     "londonBlock": 0,
-    "shanghaiTime": 0,
     "arrowGlacierBlock": 0,
     "grayGlacierBlock": 0,
     "clique": {
@@ -1027,4 +1026,4 @@
     "0xe98e0bab85fa6be01dbc1f54267fdd586a1ff976": { "balance": "50000000000000000000000000" },
     "0xeb7050d31d0163679836b1d6e3a0a65f55aff240": { "balance": "50000000000000000000000000" }
   }
-}
+}
\ No newline at end of file