diff --git a/packages/aws-cdk-lib/region-info/build-tools/fact-tables.ts b/packages/aws-cdk-lib/region-info/build-tools/fact-tables.ts
index 55ff8e8e249e8..d6829a4fee8f8 100644
--- a/packages/aws-cdk-lib/region-info/build-tools/fact-tables.ts
+++ b/packages/aws-cdk-lib/region-info/build-tools/fact-tables.ts
@@ -528,7 +528,7 @@ export const CLOUDWATCH_LAMBDA_INSIGHTS_ARNS: { [key: string]: any } = {
       'ap-southeast-2': 'arn:aws:lambda:ap-southeast-2:580247275435:layer:LambdaInsightsExtension:52',
       'ap-northeast-1': 'arn:aws:lambda:ap-northeast-1:580247275435:layer:LambdaInsightsExtension:79',
       'ca-central-1': 'arn:aws:lambda:ca-central-1:580247275435:layer:LambdaInsightsExtension:51',
-      // 'ca-west-1': 'arn:aws:lambda:ca-west-1:946466191631:layer:LambdaInsightsExtension:12',
+      'ca-west-1': 'arn:aws:lambda:ca-west-1:946466191631:layer:LambdaInsightsExtension:12',
       'cn-north-1': 'arn:aws-cn:lambda:cn-north-1:488211338238:layer:LambdaInsightsExtension:42',
       'cn-northwest-1': 'arn:aws-cn:lambda:cn-northwest-1:488211338238:layer:LambdaInsightsExtension:42',
       'eu-central-1': 'arn:aws:lambda:eu-central-1:580247275435:layer:LambdaInsightsExtension:52',
@@ -591,7 +591,7 @@ export const CLOUDWATCH_LAMBDA_INSIGHTS_ARNS: { [key: string]: any } = {
       'ap-southeast-2': 'arn:aws:lambda:ap-southeast-2:580247275435:layer:LambdaInsightsExtension:51',
       'ap-northeast-1': 'arn:aws:lambda:ap-northeast-1:580247275435:layer:LambdaInsightsExtension:78',
       'ca-central-1': 'arn:aws:lambda:ca-central-1:580247275435:layer:LambdaInsightsExtension:50',
-      // 'ca-west-1': 'arn:aws:lambda:ca-west-1:946466191631:layer:LambdaInsightsExtension:11',
+      'ca-west-1': 'arn:aws:lambda:ca-west-1:946466191631:layer:LambdaInsightsExtension:11',
       'cn-north-1': 'arn:aws-cn:lambda:cn-north-1:488211338238:layer:LambdaInsightsExtension:41',
       'cn-northwest-1': 'arn:aws-cn:lambda:cn-northwest-1:488211338238:layer:LambdaInsightsExtension:41',
       'eu-central-1': 'arn:aws:lambda:eu-central-1:580247275435:layer:LambdaInsightsExtension:51',
@@ -652,7 +652,7 @@ export const CLOUDWATCH_LAMBDA_INSIGHTS_ARNS: { [key: string]: any } = {
       'ap-southeast-2': 'arn:aws:lambda:ap-southeast-2:580247275435:layer:LambdaInsightsExtension:49',
       'ap-northeast-1': 'arn:aws:lambda:ap-northeast-1:580247275435:layer:LambdaInsightsExtension:76',
       'ca-central-1': 'arn:aws:lambda:ca-central-1:580247275435:layer:LambdaInsightsExtension:48',
-      // 'ca-west-1': 'arn:aws:lambda:ca-west-1:946466191631:layer:LambdaInsightsExtension:9',
+      'ca-west-1': 'arn:aws:lambda:ca-west-1:946466191631:layer:LambdaInsightsExtension:9',
       'cn-north-1': 'arn:aws-cn:lambda:cn-north-1:488211338238:layer:LambdaInsightsExtension:39',
       'cn-northwest-1': 'arn:aws-cn:lambda:cn-northwest-1:488211338238:layer:LambdaInsightsExtension:39',
       'eu-central-1': 'arn:aws:lambda:eu-central-1:580247275435:layer:LambdaInsightsExtension:49',
@@ -711,7 +711,7 @@ export const CLOUDWATCH_LAMBDA_INSIGHTS_ARNS: { [key: string]: any } = {
       'ap-southeast-2': 'arn:aws:lambda:ap-southeast-2:580247275435:layer:LambdaInsightsExtension:45',
       'ap-northeast-1': 'arn:aws:lambda:ap-northeast-1:580247275435:layer:LambdaInsightsExtension:72',
       'ca-central-1': 'arn:aws:lambda:ca-central-1:580247275435:layer:LambdaInsightsExtension:44',
-      // 'ca-west-1': 'arn:aws:lambda:ca-west-1:946466191631:layer:LambdaInsightsExtension:4',
+      'ca-west-1': 'arn:aws:lambda:ca-west-1:946466191631:layer:LambdaInsightsExtension:4',
       'cn-north-1': 'arn:aws-cn:lambda:cn-north-1:488211338238:layer:LambdaInsightsExtension:36',
       'cn-northwest-1': 'arn:aws-cn:lambda:cn-northwest-1:488211338238:layer:LambdaInsightsExtension:36',
       'eu-central-1': 'arn:aws:lambda:eu-central-1:580247275435:layer:LambdaInsightsExtension:45',
diff --git a/packages/aws-cdk-lib/region-info/test/__snapshots__/region-info.test.ts.snap b/packages/aws-cdk-lib/region-info/test/__snapshots__/region-info.test.ts.snap
index 43c20a5f9364d..d571bef521f3a 100644
--- a/packages/aws-cdk-lib/region-info/test/__snapshots__/region-info.test.ts.snap
+++ b/packages/aws-cdk-lib/region-info/test/__snapshots__/region-info.test.ts.snap
@@ -664,10 +664,10 @@ exports[`built-in data is correct 1`] = `
       "1.0.143.0": undefined,
       "1.0.178.0": undefined,
       "1.0.229.0": undefined,
-      "1.0.273.0": undefined,
-      "1.0.275.0": undefined,
-      "1.0.295.0": undefined,
-      "1.0.317.0": undefined,
+      "1.0.273.0": "arn:aws:lambda:ca-west-1:946466191631:layer:LambdaInsightsExtension:4",
+      "1.0.275.0": "arn:aws:lambda:ca-west-1:946466191631:layer:LambdaInsightsExtension:9",
+      "1.0.295.0": "arn:aws:lambda:ca-west-1:946466191631:layer:LambdaInsightsExtension:11",
+      "1.0.317.0": "arn:aws:lambda:ca-west-1:946466191631:layer:LambdaInsightsExtension:12",
       "1.0.54.0": undefined,
       "1.0.86.0": undefined,
       "1.0.89.0": undefined,