diff --git a/README.md b/README.md
index bf574ababb..ec948fff37 100644
--- a/README.md
+++ b/README.md
@@ -48,7 +48,7 @@ The Subnet EVM runs in a separate process from the main AvalancheGo process and
 [v0.5.1] AvalancheGo@v1.10.1-v1.10.4 (Protocol Version: 26)
 [v0.5.2] AvalancheGo@v1.10.1-v1.10.4 (Protocol Version: 26)
 [v0.5.3] AvalancheGo@v1.10.5-v1.10.6 (Protocol Version: 27)
-[v0.5.4] AvalancheGo@v1.10.5-v1.10.8 (Protocol Version: 27)
+[v0.5.4] AvalancheGo@v1.10.9 (Protocol Version: 28)
 [v0.5.5] AvalancheGo@v1.10.9 (Protocol Version: 28)
 ```
 
diff --git a/compatibility.json b/compatibility.json
index 2123231a7d..b6731b3fa5 100644
--- a/compatibility.json
+++ b/compatibility.json
@@ -1,7 +1,7 @@
 {
   "rpcChainVMProtocolVersion": {
     "v0.5.5": 28,
-    "v0.5.4": 27,
+    "v0.5.4": 28,
     "v0.5.3": 27,
     "v0.5.2": 26,
     "v0.5.1": 26,