diff --git a/.github/workflows/sync-upstream-mike-escalated.yml b/.github/workflows/sync-upstream-mike-escalated.yml
index 88d95b4e38..3ad8401503 100644
--- a/.github/workflows/sync-upstream-mike-escalated.yml
+++ b/.github/workflows/sync-upstream-mike-escalated.yml
@@ -56,7 +56,9 @@ jobs:
           script: |
             const fs = require("fs");
             const { execFileSync } = require("child_process");
-            const { findExistingUnmergedMikeProposal } = await import("./scripts/lib/mike-sync.mjs");
+            const { pathToFileURL } = require("node:url");
+            const mikeSyncUrl = pathToFileURL(`${process.env.GITHUB_WORKSPACE}/scripts/lib/mike-sync.mjs`);
+            const { findExistingUnmergedMikeProposal } = await import(mikeSyncUrl.href);
             const low = JSON.parse(
               fs.readFileSync("docs/upstream-mike-sync-state.json", "utf8"),
             );
diff --git a/.github/workflows/sync-upstream-mike.yml b/.github/workflows/sync-upstream-mike.yml
index 561e398ea7..cb1dcb41a2 100644
--- a/.github/workflows/sync-upstream-mike.yml
+++ b/.github/workflows/sync-upstream-mike.yml
@@ -44,7 +44,9 @@ jobs:
           script: |
             const fs = require("fs");
             const { execFileSync } = require("child_process");
-            const { findExistingUnmergedMikeProposal } = await import("./scripts/lib/mike-sync.mjs");
+            const { pathToFileURL } = require("node:url");
+            const mikeSyncUrl = pathToFileURL(`${process.env.GITHUB_WORKSPACE}/scripts/lib/mike-sync.mjs`);
+            const { findExistingUnmergedMikeProposal } = await import(mikeSyncUrl.href);
             const state = JSON.parse(
               fs.readFileSync("docs/upstream-mike-sync-state.json", "utf8"),
             );
diff --git a/tests/baseline/ross-mike-sync-v2.test.mjs b/tests/baseline/ross-mike-sync-v2.test.mjs
index 4f2ae52781..d40b6b9a22 100644
--- a/tests/baseline/ross-mike-sync-v2.test.mjs
+++ b/tests/baseline/ross-mike-sync-v2.test.mjs
@@ -209,6 +209,11 @@ test("workflow boundaries expose the deliberate deferred pass and bounded repair
   assert.match(workflow, /High-risk or security-sensitive work/);
   assert.match(workflow, /draft state-only architecture record/);
   assert.match(lowRiskWorkflow, /findExistingUnmergedMikeProposal/);
+  for (const syncWorkflow of [lowRiskWorkflow, workflow]) {
+    assert.match(syncWorkflow, /pathToFileURL/);
+    assert.match(syncWorkflow, /process\.env\.GITHUB_WORKSPACE/);
+    assert.doesNotMatch(syncWorkflow, /await import\("\.\/scripts\/lib\/mike-sync\.mjs"\)/);
+  }
   assert.match(lowRiskWorkflow, /settle-baseline-run\.sh/);
   assert.match(workflow, /settle-baseline-run\.sh/);
   assert.match(baselineHandler, /baseline_run_id:/);