diff --git a/CHANGELOG.md b/CHANGELOG.md
index ac4bbcc0abfc..70192e4e7881 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -35,6 +35,8 @@ v0.40.5 (2024-04-15)
 
 - Fix a bug with the logs pipeline in static mode which prevented it from shutting down cleanly.
 
+### Other changes
+
 - Updating SNMP exporter from v0.24.1 to v0.26.0.
 
 v0.40.4 (2024-04-12)
diff --git a/docs/sources/_index.md b/docs/sources/_index.md
index 4f07d6ec9d0f..62287e958943 100644
--- a/docs/sources/_index.md
+++ b/docs/sources/_index.md
@@ -9,7 +9,7 @@ title: Grafana Agent
 description: Grafana Agent is a flexible, performant, vendor-neutral, telemetry collector
 weight: 350
 cascade:
-  AGENT_RELEASE: v0.40.3
+  AGENT_RELEASE: v0.40.5
   OTEL_VERSION: v0.87.0
 ---
 
diff --git a/pkg/operator/defaults.go b/pkg/operator/defaults.go
index 738f8568c22f..30ecbc4f2044 100644
--- a/pkg/operator/defaults.go
+++ b/pkg/operator/defaults.go
@@ -2,7 +2,7 @@ package operator
 
 // Supported versions of the Grafana Agent.
 var (
-	DefaultAgentVersion   = "v0.40.3"
+	DefaultAgentVersion   = "v0.40.5"
 	DefaultAgentBaseImage = "grafana/agent"
 	DefaultAgentImage     = DefaultAgentBaseImage + ":" + DefaultAgentVersion
 )
diff --git a/tools/gen-versioned-files/agent-version.txt b/tools/gen-versioned-files/agent-version.txt
index 6b9756203991..6a9c7cb0af27 100644
--- a/tools/gen-versioned-files/agent-version.txt
+++ b/tools/gen-versioned-files/agent-version.txt
@@ -1 +1 @@
-v0.40.3
+v0.40.5