diff --git a/Documentation/compatibility.md b/Documentation/compatibility.md
index 2457543a6..c569af745 100644
--- a/Documentation/compatibility.md
+++ b/Documentation/compatibility.md
@@ -76,6 +76,7 @@ Prometheus Operator supports all Prometheus versions >= v2.0.0. The operator's e
 * v2.53.1
 * v2.54.0
 * v2.54.1
+* v2.55.0
 * v3.0.0-beta.0
 * v3.0.0-beta.1
 ```
@@ -83,7 +84,7 @@ Prometheus Operator supports all Prometheus versions >= v2.0.0. The operator's e
 The end-to-end tests are mostly tested against
 
 ```$ mdox-exec="go run ./cmd/po-docgen/. compatibility defaultPrometheusVersion"
-* v2.54.1
+* v2.55.0
 ```
 
 ## Alertmanager
diff --git a/pkg/operator/defaults.go b/pkg/operator/defaults.go
index 2f0bb28df..6c991dae6 100644
--- a/pkg/operator/defaults.go
+++ b/pkg/operator/defaults.go
@@ -97,6 +97,7 @@ var (
 		"v2.53.1",
 		"v2.54.0",
 		"v2.54.1",
+		"v2.55.0",
 	}
 
 	// Note: Issues in this version won't be supported by operator till its stable