diff --git a/.github/workflows/triage_linux.yml b/.github/workflows/triage_linux.yml
index a5732ffb394ce..bec6781b4ecf0 100644
--- a/.github/workflows/triage_linux.yml
+++ b/.github/workflows/triage_linux.yml
@@ -58,7 +58,7 @@ jobs:
             --no-ask-user \
             --enable-all-github-mcp-tools \
             --share=output/copilot-session.md \
-            --model claude-opus-5-5 \
+            --model claude-opus-5.5 \
             --max-ai-credits 500 \
             -p "$PROMPT"
 
diff --git a/.github/workflows/triage_mac.yml b/.github/workflows/triage_mac.yml
index 032d9679e117e..984baa9d62195 100644
--- a/.github/workflows/triage_mac.yml
+++ b/.github/workflows/triage_mac.yml
@@ -62,7 +62,7 @@ jobs:
             --no-ask-user \
             --enable-all-github-mcp-tools \
             --share=output/copilot-session.md \
-            --model claude-opus-5-5 \
+            --model claude-opus-5.5 \
             --max-ai-credits 500 \
             -p "$PROMPT"
 
diff --git a/.github/workflows/triage_win.yml b/.github/workflows/triage_win.yml
index 1c373b5f751ce..fed375c706826 100644
--- a/.github/workflows/triage_win.yml
+++ b/.github/workflows/triage_win.yml
@@ -66,7 +66,7 @@ jobs:
             --no-ask-user \
             --enable-all-github-mcp-tools \
             --share=output/copilot-session.md \
-            --model claude-opus-5-5 \
+            --model claude-opus-5.5 \
             --max-ai-credits 500 \
             -p "$PROMPT"