diff --git a/go.mod b/go.mod
index ba572b5a..3f30b9a9 100644
--- a/go.mod
+++ b/go.mod
@@ -8,7 +8,7 @@ require (
 	code.cloudfoundry.org/clock v1.92.0
 	code.cloudfoundry.org/debugserver v0.118.0
 	code.cloudfoundry.org/diego-logging-client v0.129.0
-	code.cloudfoundry.org/lager/v3 v3.90.0
+	code.cloudfoundry.org/lager/v3 v3.91.0
 	code.cloudfoundry.org/localip v0.93.0
 	code.cloudfoundry.org/locket v1.16.0
 	code.cloudfoundry.org/runtimeschema v0.0.0-20240514235758-31be7684c5bf
diff --git a/go.sum b/go.sum
index f21a1e53..139c53ac 100644
--- a/go.sum
+++ b/go.sum
@@ -20,8 +20,8 @@ code.cloudfoundry.org/go-diodes v0.0.0-20260928063035-f81ac938b818 h1:eq6YFDCysz
 code.cloudfoundry.org/go-diodes v0.0.0-20260928063035-f81ac938b818/go.mod h1:g2i3Y1ag6wg1H7wbQ0iYS2YNIh/7DJupWB1sK5Wa1C4=
 code.cloudfoundry.org/go-loggregator/v9 v9.2.1 h1:S6Lgg5UJbhh2bt2TGQxs6R00CF8PrUA3GFPYDxy56Fk=
 code.cloudfoundry.org/go-loggregator/v9 v9.2.1/go.mod h1:FTFFruqGeOhVCDFvyLgl8EV8YW63NNwRzLhxJcporu8=
-code.cloudfoundry.org/lager/v3 v3.90.0 h1:BlIboiXg91DaCuxjR2Uu89BEOpTT5GDn0CH8mxt3quc=
-code.cloudfoundry.org/lager/v3 v3.90.0/go.mod h1:lB+0jDPi5kdC308uxGcdTHSVz7HvK88oOkTeWVwrs54=
+code.cloudfoundry.org/lager/v3 v3.91.0 h1:9Ydc9QENtQ0tI0hqdIrYVHtM7g0Vou8xG5kPAFxWVNI=
+code.cloudfoundry.org/lager/v3 v3.91.0/go.mod h1:j4v5jKYn/nRqOCkL9XoSRmDnjpZH5fITFrlK6veKIBs=
 code.cloudfoundry.org/localip v0.93.0 h1:Of0KlBxvb6yV24zs+tVQ9rfph+Dc0JU/X0xSy3hRho0=
 code.cloudfoundry.org/localip v0.93.0/go.mod h1:SJ2pkrLjlHoMftThFYPgbECVNfruw5xlRgoLrtAGGoI=
 code.cloudfoundry.org/locket v1.16.0 h1:9M2erhWU0/bPtoBCuPjLBWVORByRyc9cpjoM/oxgv+o=
diff --git a/vendor/modules.txt b/vendor/modules.txt
index bf303bb3..7593dd81 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -38,7 +38,7 @@ code.cloudfoundry.org/go-diodes
 ## explicit; go 1.21
 code.cloudfoundry.org/go-loggregator/v9
 code.cloudfoundry.org/go-loggregator/v9/rpc/loggregator_v2
-# code.cloudfoundry.org/lager/v3 v3.90.0
+# code.cloudfoundry.org/lager/v3 v3.91.0
 ## explicit; go 1.26.0
 code.cloudfoundry.org/lager/v3
 code.cloudfoundry.org/lager/v3/internal/truncate