diff --git a/cs/build/build.props b/cs/build/build.props
index 136b3c63..dfe08bb0 100644
--- a/cs/build/build.props
+++ b/cs/build/build.props
@@ -41,7 +41,7 @@
     <NerdbankStreamsVersion>2.13.16</NerdbankStreamsVersion>
     <ReportGeneratorVersion>5.5.4</ReportGeneratorVersion>
     <VisualStudioValidationVersion>17.13.22</VisualStudioValidationVersion>
-    <DevTunnelsSshPackageVersion>3.12.40</DevTunnelsSshPackageVersion>
+    <DevTunnelsSshPackageVersion>3.12.42</DevTunnelsSshPackageVersion>
     <XunitRunnerVisualStudioVersion>3.1.5</XunitRunnerVisualStudioVersion>
     <XunitV3Version>3.2.2</XunitV3Version>
     <XunitV3ExtensibilityCoreVersion>3.2.2</XunitV3ExtensibilityCoreVersion>
diff --git a/ts/package-lock.json b/ts/package-lock.json
index fb0b0def..dc2294c1 100644
--- a/ts/package-lock.json
+++ b/ts/package-lock.json
@@ -8,8 +8,8 @@
 			"name": "@microsoft/dev-tunnels",
 			"license": "MIT",
 			"dependencies": {
-				"@microsoft/dev-tunnels-ssh": "^3.12.36",
-				"@microsoft/dev-tunnels-ssh-tcp": "^3.12.36",
+				"@microsoft/dev-tunnels-ssh": "^3.12.42",
+				"@microsoft/dev-tunnels-ssh-tcp": "^3.12.42",
 				"await-semaphore": "^0.1.3",
 				"axios": "^1.13.5",
 				"buffer": "^5.2.1",
@@ -257,9 +257,9 @@
 			}
 		},
 		"node_modules/@microsoft/dev-tunnels-ssh": {
-			"version": "3.12.36",
-			"resolved": "https://registry.npmjs.org/@microsoft/dev-tunnels-ssh/-/dev-tunnels-ssh-3.12.36.tgz",
-			"integrity": "sha512-bpiXzkGEIDVTRIzKys4x+zEawOlQUtEgrddjCl42601diMs8nsPBCXDL+ux6mkrDzDJzVaaGsafVs9CMRVXSkA==",
+			"version": "3.12.42",
+			"resolved": "https://registry.npmjs.org/@microsoft/dev-tunnels-ssh/-/dev-tunnels-ssh-3.12.42.tgz",
+			"integrity": "sha512-0TLerG3o7OckFJHWeCVkFWmkIXup4Rg50msont442frj600jrnQ4B9tIB9oRZWYonmJSCl+7onP9eZWj1smWOA==",
 			"license": "MIT",
 			"dependencies": {
 				"buffer": "^5.2.1",
@@ -269,9 +269,9 @@
 			}
 		},
 		"node_modules/@microsoft/dev-tunnels-ssh-tcp": {
-			"version": "3.12.36",
-			"resolved": "https://registry.npmjs.org/@microsoft/dev-tunnels-ssh-tcp/-/dev-tunnels-ssh-tcp-3.12.36.tgz",
-			"integrity": "sha512-cMEzZfStplE51MukNzpxrKpawdPGCC8EuKU/XmWhQSfPr5MhzUbWfkAXKwYaCyKg7FQFSbMdc7RX/xj8XjRyBA==",
+			"version": "3.12.42",
+			"resolved": "https://registry.npmjs.org/@microsoft/dev-tunnels-ssh-tcp/-/dev-tunnels-ssh-tcp-3.12.42.tgz",
+			"integrity": "sha512-1/zFD8TAlZq6wRQ2NXLDcK5mLVIke3KSfluwVh3drTmLBH7p7dCrUIoWSWIgwlWiib9iugFXvz864n44LQboRw==",
 			"license": "MIT",
 			"dependencies": {
 				"@microsoft/dev-tunnels-ssh": "~3.12"
diff --git a/ts/package.json b/ts/package.json
index 491234a1..e85d2d6c 100644
--- a/ts/package.json
+++ b/ts/package.json
@@ -21,8 +21,8 @@
 		"build-pack-publish": "npm run build && npm run pack && npm run publish"
 	},
 	"dependencies": {
-		"@microsoft/dev-tunnels-ssh": "^3.12.36",
-		"@microsoft/dev-tunnels-ssh-tcp": "^3.12.36",
+		"@microsoft/dev-tunnels-ssh": "^3.12.42",
+		"@microsoft/dev-tunnels-ssh-tcp": "^3.12.42",
 		"await-semaphore": "^0.1.3",
 		"axios": "^1.13.5",
 		"buffer": "^5.2.1",
diff --git a/ts/src/connections/package.json b/ts/src/connections/package.json
index cdc011f1..f7e4c3c5 100644
--- a/ts/src/connections/package.json
+++ b/ts/src/connections/package.json
@@ -26,7 +26,7 @@
 		"es5-ext": "0.10.64"
 	},
 	"peerDependencies": {
-		"@microsoft/dev-tunnels-ssh": "^3.12.29",
-		"@microsoft/dev-tunnels-ssh-tcp": "^3.12.29"
+		"@microsoft/dev-tunnels-ssh": "^3.12.42",
+		"@microsoft/dev-tunnels-ssh-tcp": "^3.12.42"
 	}
 }