diff --git a/.github/workflows/__job-run-uuid-sarif.yml b/.github/workflows/__job-run-uuid-sarif.yml
index cd47fb577..429a69494 100644
--- a/.github/workflows/__job-run-uuid-sarif.yml
+++ b/.github/workflows/__job-run-uuid-sarif.yml
@@ -71,8 +71,8 @@ jobs:
         run: |
           cd "$RUNNER_TEMP/results"
           actual=$(jq -r '.runs[0].properties.jobRunUuid' javascript.sarif)
-          if [[ "$actual" != "$JOB_RUN_UUID" ]]; then
-            echo "Expected SARIF output to contain job run UUID '$JOB_RUN_UUID', but found '$actual'."
+          if [[ "$actual" != "$CODEQL_ACTION_JOB_RUN_UUID" ]]; then
+            echo "Expected SARIF output to contain job run UUID '$CODEQL_ACTION_JOB_RUN_UUID', but found '$actual'."
             exit 1
           else
             echo "Found job run UUID '$actual'."
diff --git a/lib/entry-points.js b/lib/entry-points.js
index 0f35b11df..a2f6d22c5 100644
--- a/lib/entry-points.js
+++ b/lib/entry-points.js
@@ -146404,14 +146404,14 @@ function getDisplayActionName(actionName) {
   return actionName;
 }
 function getJobUUID(action) {
-  const existingJobRunUuid = action.env.getOptional("JOB_RUN_UUID" /* JOB_RUN_UUID */);
+  const existingJobRunUuid = action.env.getOptional("CODEQL_ACTION_JOB_RUN_UUID" /* JOB_RUN_UUID */);
   if (existingJobRunUuid !== void 0 && validate_default(existingJobRunUuid)) {
     action.logger.info(`Existing job run UUID is ${existingJobRunUuid}.`);
     return existingJobRunUuid;
   }
   const jobRunUuid = v4_default();
   action.logger.info(`Job run UUID is ${jobRunUuid}.`);
-  action.actions.exportVariable("JOB_RUN_UUID" /* JOB_RUN_UUID */, jobRunUuid);
+  action.actions.exportVariable("CODEQL_ACTION_JOB_RUN_UUID" /* JOB_RUN_UUID */, jobRunUuid);
   return jobRunUuid;
 }
 function isFirstPartyAnalysis(actionName) {
@@ -146468,7 +146468,7 @@ async function createStatusReportBase(actionName, status, actionStartedAt, confi
   try {
     const commitOid = getOptionalInput("sha") || process.env["GITHUB_SHA"] || "";
     const ref = await getRef();
-    const jobRunUUID = process.env["JOB_RUN_UUID" /* JOB_RUN_UUID */] || "";
+    const jobRunUUID = process.env["CODEQL_ACTION_JOB_RUN_UUID" /* JOB_RUN_UUID */] || "";
     const workflowRunID = getWorkflowRunID();
     const workflowRunAttempt = getWorkflowRunAttempt();
     const workflowName = process.env["GITHUB_WORKFLOW"] || "";
@@ -152008,7 +152008,7 @@ function applyAutobuildAzurePipelinesTimeoutFix() {
   ].join(" ");
 }
 async function getJobRunUuidSarifOptions() {
-  const jobRunUuid = process.env["JOB_RUN_UUID" /* JOB_RUN_UUID */];
+  const jobRunUuid = process.env["CODEQL_ACTION_JOB_RUN_UUID" /* JOB_RUN_UUID */];
   return jobRunUuid ? [`--sarif-run-property=jobRunUuid=${jobRunUuid}`] : [];
 }
 
diff --git a/pr-checks/checks/job-run-uuid-sarif.yml b/pr-checks/checks/job-run-uuid-sarif.yml
index dc1dd02d4..b86725d94 100644
--- a/pr-checks/checks/job-run-uuid-sarif.yml
+++ b/pr-checks/checks/job-run-uuid-sarif.yml
@@ -21,8 +21,8 @@ steps:
     run: |
       cd "$RUNNER_TEMP/results"
       actual=$(jq -r '.runs[0].properties.jobRunUuid' javascript.sarif)
-      if [[ "$actual" != "$JOB_RUN_UUID" ]]; then
-        echo "Expected SARIF output to contain job run UUID '$JOB_RUN_UUID', but found '$actual'."
+      if [[ "$actual" != "$CODEQL_ACTION_JOB_RUN_UUID" ]]; then
+        echo "Expected SARIF output to contain job run UUID '$CODEQL_ACTION_JOB_RUN_UUID', but found '$actual'."
         exit 1
       else
         echo "Found job run UUID '$actual'."
diff --git a/src/environment.ts b/src/environment.ts
index 1b00ab7cf..fea553d60 100644
--- a/src/environment.ts
+++ b/src/environment.ts
@@ -88,7 +88,7 @@ export enum EnvVar {
   LOG_VERSION_DEPRECATION = "CODEQL_ACTION_DID_LOG_VERSION_DEPRECATION",
 
   /** UUID representing the current job run. */
-  JOB_RUN_UUID = "JOB_RUN_UUID",
+  JOB_RUN_UUID = "CODEQL_ACTION_JOB_RUN_UUID",
 
   /** Status for the entire job, submitted to the status report in `init-post` */
   JOB_STATUS = "CODEQL_ACTION_JOB_STATUS",