diff --git a/google-cloud-spanner/Gemfile b/google-cloud-spanner/Gemfile
index 492441d6..91bb0e13 100644
--- a/google-cloud-spanner/Gemfile
+++ b/google-cloud-spanner/Gemfile
@@ -4,7 +4,7 @@ gemspec
 
 gem "autotest-suffix", "~> 1.1"
 gem "gapic-common", ">= 0.25.0"
-gem "google-cloud-core", "~> 1.8.0"
+gem "google-cloud-core", "~> 1.9.0"
 gem "google-cloud-errors", "~> 1.6.0"
 gem "google-cloud-spanner-admin-database-v1", "~> 1.3"
 gem "google-cloud-spanner-admin-instance-v1", "~> 1.5"
diff --git a/google-cloud-spanner/Gemfile.lock b/google-cloud-spanner/Gemfile.lock
index 0d8e3d20..116ea9e6 100644
--- a/google-cloud-spanner/Gemfile.lock
+++ b/google-cloud-spanner/Gemfile.lock
@@ -45,7 +45,7 @@ GEM
       googleapis-common-protos-types (~> 1.15)
       googleauth (~> 1.12)
       grpc (~> 1.66)
-    google-cloud-core (1.8.0)
+    google-cloud-core (1.9.0)
       google-cloud-env (>= 1.0, < 3.a)
       google-cloud-errors (~> 1.0)
     google-cloud-env (2.3.1)
@@ -134,7 +134,7 @@ GEM
       rdoc (>= 4.0.0)
       reline (>= 0.4.2)
     jaro_winkler (1.7.0)
-    json (2.19.8)
+    json (2.19.9)
     jwt (3.2.0)
       base64
     kramdown (2.5.2)
@@ -294,7 +294,7 @@ PLATFORMS
 DEPENDENCIES
   autotest-suffix (~> 1.1)
   gapic-common (>= 0.25.0)
-  google-cloud-core (~> 1.8.0)
+  google-cloud-core (~> 1.9.0)
   google-cloud-errors (~> 1.6.0)
   google-cloud-spanner!
   google-cloud-spanner-admin-database-v1 (~> 1.3)
@@ -337,7 +337,7 @@ CHECKSUMS
   faraday-net_http (3.4.4) sha256=0e78af151747ed1b00f33e25973b4bc220d7f16c00c39676817c8b12331eb588
   faraday-retry (2.4.0) sha256=7b79c48fb7e56526faf247b12d94a680071ff40c9fda7cf1ec1549439ad11ebe
   gapic-common (1.3.0) sha256=4e5d9be1effb7366e2cda13c0f44922285d5613ac8de8b9b18c2c835fe4faa91
-  google-cloud-core (1.8.0) sha256=e572edcbf189cfcab16590628a516cec3f4f63454b730e59f0b36575120281cf
+  google-cloud-core (1.9.0) sha256=ab55409f51488e8deefb6edcc1ce4771dfb5da2fe7b3bc075709a030c2b682a4
   google-cloud-env (2.3.1) sha256=0faac01eb27be78c2591d64433663b1a114f8f7af55a4f819755426cac9178e7
   google-cloud-errors (1.6.0) sha256=1da8476dd706ad04b9d32e3c4b90d07d3463b37d6407cb56d41342ea7647d0a1
   google-cloud-spanner (2.36.0)
@@ -368,7 +368,7 @@ CHECKSUMS
   io-console (0.8.2) sha256=d6e3ae7a7cc7574f4b8893b4fca2162e57a825b223a177b7afa236c5ef9814cc
   irb (1.18.0) sha256=de9454a0703a54704b9811a5ef31a60c86949fbf4013fcf244fabc7c775248e3
   jaro_winkler (1.7.0) sha256=8daa05a5cd05bf7d27c1c65caa8ab0d47c05419d80210feaa17126db24044ada
-  json (2.19.8) sha256=6354310fd76ef69b87d5bd1f38b40d730613baf90b6803d2d0a48f618d32dfaa
+  json (2.19.9) sha256=9b9025b7cdddafa38d316eca0b2358488e42d417045c1b90d216a9fefe46b79a
   jwt (3.2.0) sha256=5419b1fe37b1da0982bd07051f573a8b8789ab724c2aa7e785e4784a3ed217d7
   kramdown (2.5.2) sha256=1ba542204c66b6f9111ff00dcc26075b95b220b07f2905d8261740c82f7f02fa
   kramdown-parser-gfm (1.1.0) sha256=fb39745516427d2988543bf01fc4cf0ab1149476382393e0e9c48592f6581729