diff --git a/.github/workflows/check-generated.yml b/.github/workflows/check-generated.yml
index 8d9645993..b7f9fd5f8 100644
--- a/.github/workflows/check-generated.yml
+++ b/.github/workflows/check-generated.yml
@@ -36,7 +36,7 @@ jobs:
         run: |
           set -euo pipefail
 
-          readonly MOCKERY=2.50.0  # N.B. no leading "v"
+          readonly MOCKERY=2.51.1  # N.B. no leading "v"
           curl -sL "https://github.com/vektra/mockery/releases/download/v${MOCKERY}/mockery_${MOCKERY}_Linux_x86_64.tar.gz" | tar -C /usr/local/bin -xzf -
           make mockery 2>/dev/null
 
diff --git a/go.mod b/go.mod
index 14fcc0369..206c9179c 100644
--- a/go.mod
+++ b/go.mod
@@ -51,7 +51,7 @@ require (
 	github.com/creachadair/taskgroup v0.13.2
 	github.com/go-pkgz/jrpc v0.2.0
 	github.com/google/go-cmp v0.6.0
-	github.com/vektra/mockery/v2 v2.50.0
+	github.com/vektra/mockery/v2 v2.51.1
 )
 
 require (
diff --git a/go.sum b/go.sum
index af7bb52ea..003b6b49c 100644
--- a/go.sum
+++ b/go.sum
@@ -848,8 +848,8 @@ github.com/uudashr/iface v1.3.0 h1:zwPch0fs9tdh9BmL5kcgSpvnObV+yHjO4JjVBl8IA10=
 github.com/uudashr/iface v1.3.0/go.mod h1:4QvspiRd3JLPAEXBQ9AiZpLbJlrWWgRChOKDJEuQTdg=
 github.com/vbatts/tar-split v0.11.6 h1:4SjTW5+PU11n6fZenf2IPoV8/tz3AaYHMWjf23envGs=
 github.com/vbatts/tar-split v0.11.6/go.mod h1:dqKNtesIOr2j2Qv3W/cHjnvk9I8+G7oAkFDFN6TCBEI=
-github.com/vektra/mockery/v2 v2.50.0 h1:0GYRH38nKiRghwUq+0aJXG1sT3yyTYj/J1xQRM8kGzQ=
-github.com/vektra/mockery/v2 v2.50.0/go.mod h1:xO2DeYemEPC2tCzIZ+a1tifZ/7Laf/Chxg3vlc+oDsI=
+github.com/vektra/mockery/v2 v2.51.1 h1:BiiUSotsS7B56xvTjlIY2VDZxiEY9rzQ+ev69jE/mtw=
+github.com/vektra/mockery/v2 v2.51.1/go.mod h1:xO2DeYemEPC2tCzIZ+a1tifZ/7Laf/Chxg3vlc+oDsI=
 github.com/x448/float16 v0.8.4 h1:qLwI1I70+NjRFUR3zs1JPUCgaCXSh3SW62uAKT1mSBM=
 github.com/x448/float16 v0.8.4/go.mod h1:14CWIYCyZA/cWjXOioeEpHeN/83MdbZDRQHoFcYsOfg=
 github.com/xeipuuv/gojsonpointer v0.0.0-20190905194746-02993c407bfb h1:zGWFAtiMcyryUHoUjUJX0/lt1H2+i2Ka2n+D3DImSNo=
diff --git a/scripts/mockery_generate.sh b/scripts/mockery_generate.sh
index a24786250..7d1b2bc69 100755
--- a/scripts/mockery_generate.sh
+++ b/scripts/mockery_generate.sh
@@ -6,7 +6,7 @@
 # runs the published Docker container. This legerdemain is so that the CI build
 # and a local build can work off the same script.
 #
-VERSION=v2.50.0
+VERSION=v2.51.1
 
 if ! mockery --version 2>/dev/null | grep $VERSION; then
   echo "Please install mockery $VERSION, example for Linux x86_64:"