diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 46f9072..e395c15 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -10,6 +10,8 @@
 
 - Bump google.golang.org/protobuf from 1.32.0 to 1.33.0 (PR #44 by
   @dependabot[bot])
+- Bump github.com/stretchr/testify from 1.8.4 to 1.9.0 (PR #43 by
+  @dependabot[bot])
 
 ## 0.0.4-dev - 2024-02-21
 
diff --git a/go.mod b/go.mod
index 7eede1e..c9f25a7 100644
--- a/go.mod
+++ b/go.mod
@@ -4,7 +4,7 @@ go 1.21
 
 require (
 	github.com/google/uuid v1.6.0
-	github.com/stretchr/testify v1.8.4
+	github.com/stretchr/testify v1.9.0
 	google.golang.org/protobuf v1.33.0
 )
 
diff --git a/go.sum b/go.sum
index c35ef2b..8683fdb 100644
--- a/go.sum
+++ b/go.sum
@@ -6,8 +6,8 @@ github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
-github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
+github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
+github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
 google.golang.org/protobuf v1.33.0 h1:uNO2rsAINq/JlFpSdYEKIZ0uKD/R9cpdv0T+yoGwGmI=
 google.golang.org/protobuf v1.33.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=