diff --git a/build/checksums.txt b/build/checksums.txt
index 7c8d3fd5b..0e33e07f2 100644
--- a/build/checksums.txt
+++ b/build/checksums.txt
@@ -1,17 +1,18 @@
 # This file contains sha256 checksums of optional build dependencies.
 
-7688063d55656105898f323d90a79a39c378d86fe89ae192eb3b7fc46347c95a  go1.16.src.tar.gz
-6000a9522975d116bf76044967d7e69e04e982e9625330d9a539a8b45395f9a8  go1.16.darwin-amd64.tar.gz
-ea435a1ac6d497b03e367fdfb74b33e961d813883468080f6e239b3b03bea6aa  go1.16.linux-386.tar.gz
-013a489ebb3e24ef3d915abe5b94c3286c070dfe0818d5bca8108f1d6e8440d2  go1.16.linux-amd64.tar.gz
-3770f7eb22d05e25fbee8fb53c2a4e897da043eb83c69b9a14f8d98562cd8098  go1.16.linux-arm64.tar.gz
-d1d9404b1dbd77afa2bdc70934e10fbfcf7d785c372efc29462bb7d83d0a32fd  go1.16.linux-armv6l.tar.gz
-481492a17d42193d471b93b7a06da3555331bd833b76336afc87be820c48933f  go1.16.windows-386.zip
-5cc88fa506b3d5c453c54c3ea218fc8dd05d7362ae1de15bb67986b72089ce93  go1.16.windows-amd64.zip
-d7d6c70b05a7c2f68b48aab5ab8cb5116b8444c9ddad131673b152e7cff7c726  go1.16.freebsd-386.tar.gz
-40b03216f6945fb6883a50604fc7f409a83f62171607229a9c598e701e684f8a  go1.16.freebsd-amd64.tar.gz
-27a1aaa988e930b7932ce459c8a63ad5b3333b3a06b016d87ff289f2a11aacd6  go1.16.linux-ppc64le.tar.gz
-be4c9e4e2cf058efc4e3eb013a760cb989ddc4362f111950c990d1c63b27ccbe  go1.16.linux-s390x.tar.gz
+b298d29de9236ca47a023e382313bcc2d2eed31dfa706b60a04103ce83a71a25  go1.16.3.src.tar.gz
+6bb1cf421f8abc2a9a4e39140b7397cdae6aca3e8d36dcff39a1a77f4f1170ac  go1.16.3.darwin-amd64.tar.gz
+f4e96bbcd5d2d1942f5b55d9e4ab19564da4fad192012f6d7b0b9b055ba4208f  go1.16.3.darwin-arm64.tar.gz
+48b2d1481db756c88c18b1f064dbfc3e265ce4a775a23177ca17e25d13a24c5d  go1.16.3.linux-386.tar.gz
+951a3c7c6ce4e56ad883f97d9db74d3d6d80d5fec77455c6ada6c1f7ac4776d2  go1.16.3.linux-amd64.tar.gz
+566b1d6f17d2bc4ad5f81486f0df44f3088c3ed47a3bec4099d8ed9939e90d5d  go1.16.3.linux-arm64.tar.gz
+0dae30385e3564a557dac7f12a63eedc73543e6da0f6017990e214ce8cc8797c  go1.16.3.linux-armv6l.tar.gz
+a3c16e1531bf9726f47911c4a9ed7cb665a6207a51c44f10ebad4db63b4bcc5a  go1.16.3.windows-386.zip
+a4400345135b36cb7942e52bbaf978b66814738b855eeff8de879a09fd99de7f  go1.16.3.windows-amd64.zip
+31ecd11d497684fa8b0f01ba784590c4c760943665fdc4fe0adaa1405c71736c  go1.16.3.freebsd-386.tar.gz
+ffbd920b309e62e807457b11d80e8c17fefe3ef6de423aaba4b1e270b2ca4c3d  go1.16.3.freebsd-amd64.tar.gz
+5eb046bbbbc7fe2591846a4303884cb5a01abb903e3e61e33459affe7874e811  go1.16.3.linux-ppc64le.tar.gz
+3e8bd7bde533a73fd6fa75b5288678ef397e76c198cfb26b8ae086035383b1cf  go1.16.3.linux-s390x.tar.gz
 
 7e9a47ab540aa3e8472fbf8120d28bed3b9d9cf625b955818e8bc69628d7187c  golangci-lint-1.39.0-darwin-amd64.tar.gz
 574daa2c9c299b01672a6daeb1873b5f12e413cdb6dc0e30f2ff163956778064  golangci-lint-1.39.0-darwin-arm64.tar.gz
diff --git a/build/ci.go b/build/ci.go
index c94b96821..b73435c5e 100644
--- a/build/ci.go
+++ b/build/ci.go
@@ -152,7 +152,7 @@ var (
 	// This is the version of go that will be downloaded by
 	//
 	//     go run ci.go install -dlgo
-	dlgoVersion = "1.16"
+	dlgoVersion = "1.16.3"
 )
 
 var GOBIN, _ = filepath.Abs(filepath.Join("build", "bin"))