diff --git a/.release-please-manifest-individual.json b/.release-please-manifest-individual.json
index 6b1b1b0cc770..f1ccbfe1f8bb 100644
--- a/.release-please-manifest-individual.json
+++ b/.release-please-manifest-individual.json
@@ -4,7 +4,7 @@
   "errorreporting": "0.3.2",
   "logging": "1.13.0",
   "profiler": "0.4.3",
-  "spanner": "1.86.0",
+  "spanner": "1.86.1",
   "storage": "1.57.0",
   "vertexai": "0.15.0"
 }
diff --git a/spanner/CHANGES.md b/spanner/CHANGES.md
index c19d3f9c1e8f..48653abebd40 100644
--- a/spanner/CHANGES.md
+++ b/spanner/CHANGES.md
@@ -1,5 +1,12 @@
 # Changes
 
+## [1.86.1](https://github.com/googleapis/google-cloud-go/compare/spanner/v1.86.0...spanner/v1.86.1) (2025-10-22)
+
+
+### Bug Fixes
+
+* **spanner:** Upgrade gRPC service registration func ([8fffca2](https://github.com/googleapis/google-cloud-go/commit/8fffca2819fa3dc858c213aa0c503e0df331b084))
+
 ## [1.86.0](https://github.com/googleapis/google-cloud-go/compare/spanner/v1.85.1...spanner/v1.86.0) (2025-09-26)
 
 
@@ -1544,4 +1551,3 @@
 
 This is the first tag to carve out spanner as its own module. See:
 https://github.com/golang/go/wiki/Modules#is-it-possible-to-add-a-module-to-a-multi-module-repository.
-
diff --git a/spanner/internal/version.go b/spanner/internal/version.go
index d2e9423cf75a..b8ba93653d86 100644
--- a/spanner/internal/version.go
+++ b/spanner/internal/version.go
@@ -15,4 +15,4 @@
 package internal
 
 // Version is the current tagged release of the library.
-const Version = "1.86.0"
+const Version = "1.86.1"