diff --git a/.go-version b/.go-version
index 0bd54efd3..7bf9455f0 100644
--- a/.go-version
+++ b/.go-version
@@ -1 +1 @@
-1.20.4
+1.20.5
diff --git a/changelog/_go-ver-1140.txt b/changelog/_go-ver-1140.txt
index b57fd6478..052a277ab 100644
--- a/changelog/_go-ver-1140.txt
+++ b/changelog/_go-ver-1140.txt
@@ -1,3 +1,3 @@
 ```release-note:change
-core: Bump Go version to 1.20.4.
+core: Bump Go version to 1.20.5.
 ```