diff --git a/.github/workflows/stress.yml b/.github/workflows/stress.yml
index 3e850df271..4d7979e7aa 100644
--- a/.github/workflows/stress.yml
+++ b/.github/workflows/stress.yml
@@ -91,7 +91,7 @@ jobs:
           { config: "Debug", plat: "windows", os: "windows-2022", arch: "x64", tls: "openssl3", xdp: "-UseXdp", build: "-Test" },
           { config: "Debug", plat: "windows", os: "WinServerPrerelease", arch: "x64", tls: "schannel", build: "-Test" },
         ]
-    runs-on: ${{ matrix.vec.plat == 'windows' && matrix.vec.os == 'WinServerPrerelease' && fromJson('[''self-hosted'', ''1ES.Pool=1es-msquic-pool'', ''1ES.ImageOverride=WinServerPrerelease'']') || matrix.vec.os }}
+    runs-on: ${{ matrix.vec.plat == 'windows' && matrix.vec.os == 'WinServerPrerelease' && fromJson('[''self-hosted'', ''1ES.Pool=1es-msquic-pool'', ''1ES.ImageOverride=WinServerPrerelease-LatestPwsh'']') || matrix.vec.os }}
     env:
       main-timeout: 3600000
       main-repeat: 100
@@ -155,7 +155,7 @@ jobs:
           { config: "Debug", plat: "windows", os: "windows-2022", arch: "x64", tls: "openssl3", xdp: "-UseXdp", build: "-Test" },
           { config: "Debug", plat: "windows", os: "WinServerPrerelease", arch: "x64", tls: "schannel", build: "-Test" },
         ]
-    runs-on: ${{ matrix.vec.plat == 'windows' && matrix.vec.os == 'WinServerPrerelease' && fromJson('[''self-hosted'', ''1ES.Pool=1es-msquic-pool'', ''1ES.ImageOverride=WinServerPrerelease'']') || matrix.vec.os }}
+    runs-on: ${{ matrix.vec.plat == 'windows' && matrix.vec.os == 'WinServerPrerelease' && fromJson('[''self-hosted'', ''1ES.Pool=1es-msquic-pool'', ''1ES.ImageOverride=WinServerPrerelease-LatestPwsh'']') || matrix.vec.os }}
     env:
       main-timeout: 3600000
       pr-timeout: 600000