diff --git a/.changelog/22056.txt b/.changelog/22056.txt
new file mode 100644
index 0000000000..343e5dc628
--- /dev/null
+++ b/.changelog/22056.txt
@@ -0,0 +1,3 @@
+```release-note:improvement
+Upgrade api submodule to 1.28.5
+```
\ No newline at end of file
diff --git a/go.mod b/go.mod
index be55b80670..547be4b3a2 100644
--- a/go.mod
+++ b/go.mod
@@ -43,7 +43,7 @@ require (
 	github.com/hashi-derek/grpc-proxy v0.0.0-20231207191910-191266484d75
 	github.com/hashicorp/consul-awsauth v0.0.0-20220713182709-05ac1c5c2706
 	github.com/hashicorp/consul-net-rpc v0.0.0-20221205195236-156cfab66a69
-	github.com/hashicorp/consul/api v1.28.4
+	github.com/hashicorp/consul/api v1.28.5
 	github.com/hashicorp/consul/envoyextensions v0.6.2
 	github.com/hashicorp/consul/proto-public v0.6.1
 	github.com/hashicorp/consul/sdk v0.16.0
diff --git a/test-integ/go.mod b/test-integ/go.mod
index 0274bf00f5..4ba1c64abe 100644
--- a/test-integ/go.mod
+++ b/test-integ/go.mod
@@ -4,7 +4,7 @@ go 1.20
 
 require (
 	github.com/google/go-cmp v0.5.9
-	github.com/hashicorp/consul/api v1.28.4
+	github.com/hashicorp/consul/api v1.28.5
 	github.com/hashicorp/consul/proto-public v0.6.1
 	github.com/hashicorp/consul/sdk v0.16.0
 	github.com/hashicorp/consul/test/integration/consul-container v0.0.0-20230628201853-bdf4fad7c5a5
diff --git a/test/integration/consul-container/go.mod b/test/integration/consul-container/go.mod
index a9d6c86537..25a4e104ff 100644
--- a/test/integration/consul-container/go.mod
+++ b/test/integration/consul-container/go.mod
@@ -10,7 +10,7 @@ require (
 	github.com/evanphx/json-patch v4.12.0+incompatible
 	github.com/go-jose/go-jose/v3 v3.0.3
 	github.com/hashicorp/consul v1.16.1
-	github.com/hashicorp/consul/api v1.28.4
+	github.com/hashicorp/consul/api v1.28.5
 	github.com/hashicorp/consul/envoyextensions v0.6.2
 	github.com/hashicorp/consul/proto-public v0.6.1
 	github.com/hashicorp/consul/sdk v0.16.0