diff --git a/showcase/go.mod b/showcase/go.mod
index 63d778a26..e5d5a3d9c 100644
--- a/showcase/go.mod
+++ b/showcase/go.mod
@@ -8,7 +8,7 @@ require (
 	github.com/google/go-cmp v0.5.9
 	github.com/googleapis/gapic-showcase v0.27.0
 	github.com/googleapis/gax-go/v2 v2.8.0
-	google.golang.org/api v0.119.0
+	google.golang.org/api v0.120.0
 	google.golang.org/genproto v0.0.0-20230410155749-daa745c078e1
 	google.golang.org/grpc v1.54.0
 	google.golang.org/protobuf v1.30.0
diff --git a/showcase/go.sum b/showcase/go.sum
index 5a5b8d38c..8fff7e318 100644
--- a/showcase/go.sum
+++ b/showcase/go.sum
@@ -142,8 +142,8 @@ golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3
 golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-google.golang.org/api v0.119.0 h1:Dzq+ARD6+8jmd5wknJE1crpuzu1JiovEU6gCp9PkoKA=
-google.golang.org/api v0.119.0/go.mod h1:CrSvlNEFCFLae9ZUtL1z+61+rEBD7J/aCYwVYKZoWFU=
+google.golang.org/api v0.120.0 h1:TTmhTei0mkR+kiBSW2UzZmAbkTaBfUUzfchyXnzG9Hs=
+google.golang.org/api v0.120.0/go.mod h1:CrSvlNEFCFLae9ZUtL1z+61+rEBD7J/aCYwVYKZoWFU=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/appengine v1.6.7 h1:FZR1q0exgwxzPzp/aF+VccGrSfxfPpkBqjIIEq3ru6c=