diff --git a/packages/code-analyzer-regex-engine/package.json b/packages/code-analyzer-regex-engine/package.json
index ce531bbe..2d6dd6c8 100644
--- a/packages/code-analyzer-regex-engine/package.json
+++ b/packages/code-analyzer-regex-engine/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@salesforce/code-analyzer-regex-engine",
   "description": "Plugin package that adds 'regex' as an engine into Salesforce Code Analyzer",
-  "version": "0.40.0",
+  "version": "0.41.0-SNAPSHOT",
   "author": "The Salesforce Code Analyzer Team",
   "license": "BSD-3-Clause",
   "homepage": "https://developer.salesforce.com/docs/platform/salesforce-code-analyzer/overview",
diff --git a/packages/code-analyzer-regex-engine/src/plugin.ts b/packages/code-analyzer-regex-engine/src/plugin.ts
index 19dfce4a..b9e88c84 100644
--- a/packages/code-analyzer-regex-engine/src/plugin.ts
+++ b/packages/code-analyzer-regex-engine/src/plugin.ts
@@ -151,8 +151,9 @@ function subtractThreeYears(date: Date): Date{
 }
 
 function getSalesforceApiVersionFor(date: Date): number {
-    const year: number = date.getUTCFullYear();
     const month: number = date.getUTCMonth();
+    // January belongs to the Winter release that started in October of the previous calendar year
+    const year: number = month === 0 ? date.getUTCFullYear() - 1 : date.getUTCFullYear();
     if (month >= 1 && month < 5) {        // Feb through May (Spring release)
         return (year - 2004) * 3;
     } else if (month >= 5 && month < 9) { // Jun through Sep (Summer release)
diff --git a/packages/code-analyzer-regex-engine/test/plugin.test.ts b/packages/code-analyzer-regex-engine/test/plugin.test.ts
index 39264ef3..55db0165 100644
--- a/packages/code-analyzer-regex-engine/test/plugin.test.ts
+++ b/packages/code-analyzer-regex-engine/test/plugin.test.ts
@@ -76,7 +76,12 @@ describe('RegexEnginePlugin No Custom Config Tests' , () => {
         { date: new Date(Date.UTC(2022,2,1)), expectedRegexString: '/<apiVersion>(?<target>([1-9]|[1-3][0-9]|4[0-5])(\\.[0-9])?)<\\/apiVersion>/g', expectedVersion: 45 },  // Spring'22 - 3 years = Spring'19 (45.0)
         { date: new Date(Date.UTC(2023,5,2)), expectedRegexString: '/<apiVersion>(?<target>([1-9]|[1-3][0-9]|4[0-9])(\\.[0-9])?)<\\/apiVersion>/g', expectedVersion: 49 },  // Summer'23 - 3 years = Summer'20 (49.0)
         { date: new Date(Date.UTC(2025,9,3)), expectedRegexString: '/<apiVersion>(?<target>([1-9]|[1-4][0-9]|5[0-6])(\\.[0-9])?)<\\/apiVersion>/g', expectedVersion: 56 },  // Winter'26 - 3 years = Winter'23 (56.0)
-        { date: new Date(Date.UTC(2028,3,7)), expectedRegexString: '/<apiVersion>(?<target>([1-9]|[1-5][0-9]|6[0-3])(\\.[0-9])?)<\\/apiVersion>/g', expectedVersion: 63 }   // Spring'28 - 3 years = Spring'25 (63.0)
+        { date: new Date(Date.UTC(2028,3,7)), expectedRegexString: '/<apiVersion>(?<target>([1-9]|[1-5][0-9]|6[0-3])(\\.[0-9])?)<\\/apiVersion>/g', expectedVersion: 63 },  // Spring'28 - 3 years = Spring'25 (63.0)
+        // January belongs to the Winter release that started the October before, so it must give the same version as that December
+        { date: new Date(Date.UTC(2025,11,15)), expectedRegexString: '/<apiVersion>(?<target>([1-9]|[1-4][0-9]|5[0-6])(\\.[0-9])?)<\\/apiVersion>/g', expectedVersion: 56 }, // Winter'26 (December) - 3 years = Winter'23 (56.0)
+        { date: new Date(Date.UTC(2026,0,15)), expectedRegexString: '/<apiVersion>(?<target>([1-9]|[1-4][0-9]|5[0-6])(\\.[0-9])?)<\\/apiVersion>/g', expectedVersion: 56 },  // Winter'26 (January) - 3 years = Winter'23 (56.0)
+        { date: new Date(Date.UTC(2027,0,1)), expectedRegexString: '/<apiVersion>(?<target>([1-9]|[1-4][0-9]|5[0-9])(\\.[0-9])?)<\\/apiVersion>/g', expectedVersion: 59 },   // Winter'27 (January) - 3 years = Winter'24 (59.0)
+        { date: new Date(Date.UTC(2027,1,1)), expectedRegexString: '/<apiVersion>(?<target>([1-9]|[1-5][0-9]|6[0-0])(\\.[0-9])?)<\\/apiVersion>/g', expectedVersion: 60 }    // Spring'27 - 3 years = Spring'24 (60.0)
     ];
     it.each(apiVersionTestCases)('RegexEnginePlugin produces engine with AvoidOldSalesforceApiVersions that depends on current date', async (testCase: ApiVersionTestCase) => {
         enginePlugin._setClock(new FixedClock(testCase.date));