diff --git a/CHANGELOG.md b/CHANGELOG.md
index 87c469d4c..a7ebf6945 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@
 ### Enhancements:
 
 ### Dependencies:
+- build(deps): `github.com/rogpeppe/go-internal` from 1.15.0 to 1.16.0 ([#1871](https://github.com/fastly/cli/pull/1871))
 
 ## [v15.5.0](https://github.com/fastly/cli/releases/tag/v15.5.0) (2026-08-04)
 
diff --git a/go.mod b/go.mod
index 502f6dc1f..70e06aa35 100644
--- a/go.mod
+++ b/go.mod
@@ -51,7 +51,7 @@ require (
 	github.com/minio/minlz v1.2.0 // indirect
 	github.com/nwaples/rardecode/v2 v2.3.0 // indirect
 	github.com/otiai10/mint v1.6.3 // indirect
-	github.com/rogpeppe/go-internal v1.15.0 // indirect
+	github.com/rogpeppe/go-internal v1.16.0 // indirect
 	github.com/sorairolake/lzip-go v0.3.8 // indirect
 	github.com/spf13/afero v1.15.0 // indirect
 	github.com/stangelandcl/ppmd v0.1.1 // indirect
diff --git a/go.sum b/go.sum
index 5b62b31ea..7e6ba6a31 100644
--- a/go.sum
+++ b/go.sum
@@ -126,8 +126,8 @@ github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZN
 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 h1:Jamvg5psRIccs7FGNTlIRMkT8wgtp5eCXdBlqhYGL6U=
 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/rogpeppe/go-internal v1.9.0/go.mod h1:WtVeX8xhTBvf0smdhujwtBcq4Qrzq/fJaraNFVN+nFs=
-github.com/rogpeppe/go-internal v1.15.0 h1:D0RCU5rMAp+SpgkiNdrjfJ+LX4J1M32V2NeCY7EJ6hc=
-github.com/rogpeppe/go-internal v1.15.0/go.mod h1:DrUVZyrJU+txYW5/1kwtXQSMFio52ZOxX7yM1VHvnxs=
+github.com/rogpeppe/go-internal v1.16.0 h1:O9DK+vNMDVGLr2BeZqmpLeMjiMNkuXfcqntWbZV6S5g=
+github.com/rogpeppe/go-internal v1.16.0/go.mod h1:DrUVZyrJU+txYW5/1kwtXQSMFio52ZOxX7yM1VHvnxs=
 github.com/sabhiram/go-gitignore v0.0.0-20210923224102-525f6e181f06 h1:OkMGxebDjyw0ULyrTYWeN0UNCCkmCWfjPnIA2W6oviI=
 github.com/sabhiram/go-gitignore v0.0.0-20210923224102-525f6e181f06/go.mod h1:+ePHsJ1keEjQtpvf9HHw0f4ZeJ0TLRsxhunSI2hYJSs=
 github.com/segmentio/textio v1.2.0 h1:Ug4IkV3kh72juJbG8azoSBlgebIbUUxVNrfFcKHfTSQ=