diff --git a/dist/index.js b/dist/index.js
index a55a732..0f8a8df 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -729,12 +729,12 @@ class DartJsonParser {
     getRelativePath(path) {
         const prefix = 'file://';
         if (path.startsWith(prefix)) {
-            path = path.substr(prefix.length);
+            path = path.substring(prefix.length);
         }
         path = (0, path_utils_1.normalizeFilePath)(path);
         const workDir = this.getWorkDir(path);
         if (workDir !== undefined && path.startsWith(workDir)) {
-            path = path.substr(workDir.length);
+            path = path.substring(workDir.length);
         }
         return path;
     }
@@ -893,7 +893,7 @@ class DotnetNunitParser {
         path = (0, path_utils_1.normalizeFilePath)(path);
         const workDir = this.getWorkDir(path);
         if (workDir !== undefined && path.startsWith(workDir)) {
-            path = path.substr(workDir.length);
+            path = path.substring(workDir.length);
         }
         return path;
     }
@@ -997,7 +997,7 @@ class DotnetTrxParser {
             const duration = durationAttr ? (0, parse_utils_1.parseNetDuration)(durationAttr) : 0;
             const resultTestName = r.result.$.testName;
             const testName = resultTestName.startsWith(className) && resultTestName[className.length] === '.'
-                ? resultTestName.substr(className.length + 1)
+                ? resultTestName.substring(className.length + 1)
                 : resultTestName;
             const test = new Test(testName, r.result.$.outcome, duration, error);
             tc.tests.push(test);
@@ -1064,7 +1064,7 @@ class DotnetTrxParser {
                 const filePath = (0, path_utils_1.normalizeFilePath)(fileStr);
                 const workDir = this.getWorkDir(filePath);
                 if (workDir) {
-                    const file = filePath.substr(workDir.length);
+                    const file = filePath.substring(workDir.length);
                     if (trackedFiles.includes(file)) {
                         const line = parseInt(lineStr);
                         return { path: file, line };
@@ -1550,7 +1550,7 @@ class JestJunitParser {
         path = (0, path_utils_1.normalizeFilePath)(path);
         const workDir = this.getWorkDir(path);
         if (workDir !== undefined && path.startsWith(workDir)) {
-            path = path.substr(workDir.length);
+            path = path.substring(workDir.length);
         }
         return path;
     }
@@ -1621,7 +1621,7 @@ class MochaJsonParser {
     }
     processTest(suite, test, result) {
         const groupName = test.fullTitle !== test.title
-            ? test.fullTitle.substr(0, test.fullTitle.length - test.title.length).trimEnd()
+            ? test.fullTitle.substring(0, test.fullTitle.length - test.title.length).trimEnd()
             : null;
         let group = suite.groups.find(grp => grp.name === groupName);
         if (group === undefined) {
@@ -1656,7 +1656,7 @@ class MochaJsonParser {
         path = (0, path_utils_1.normalizeFilePath)(path);
         const workDir = this.getWorkDir(path);
         if (workDir !== undefined && path.startsWith(workDir)) {
-            path = path.substr(workDir.length);
+            path = path.substring(workDir.length);
         }
         return path;
     }
@@ -1856,7 +1856,7 @@ class PhpunitJunitParser {
         path = (0, path_utils_1.normalizeFilePath)(path);
         const workDir = this.getWorkDir(path);
         if (workDir !== undefined && path.startsWith(workDir)) {
-            path = path.substr(workDir.length);
+            path = path.substring(workDir.length);
         }
         return path;
     }
@@ -1977,7 +1977,7 @@ class RspecJsonParser {
     }
     processTest(suite, test, result) {
         const groupName = test.full_description !== test.description
-            ? test.full_description.substr(0, test.full_description.length - test.description.length).trimEnd()
+            ? test.full_description.substring(0, test.full_description.length - test.description.length).trimEnd()
             : null;
         let group = suite.groups.find(grp => grp.name === groupName);
         if (group === undefined) {
@@ -2823,7 +2823,7 @@ function ellipsis(text, maxLength) {
     if (text.length <= maxLength) {
         return text;
     }
-    return text.substr(0, maxLength - 3) + '...';
+    return text.substring(0, maxLength - 3) + '...';
 }
 function formatTime(ms) {
     if (ms > 1000) {
@@ -2942,7 +2942,7 @@ function getBasePath(path, trackedFiles) {
     if (max === '') {
         return undefined;
     }
-    const base = path.substr(0, path.length - max.length);
+    const base = path.substring(0, path.length - max.length);
     return base;
 }
 
diff --git a/src/parsers/dart-json/dart-json-parser.ts b/src/parsers/dart-json/dart-json-parser.ts
index f0afd45..b035897 100644
--- a/src/parsers/dart-json/dart-json-parser.ts
+++ b/src/parsers/dart-json/dart-json-parser.ts
@@ -242,13 +242,13 @@ export class DartJsonParser implements TestParser {
   private getRelativePath(path: string): string {
     const prefix = 'file://'
     if (path.startsWith(prefix)) {
-      path = path.substr(prefix.length)
+      path = path.substring(prefix.length)
     }
 
     path = normalizeFilePath(path)
     const workDir = this.getWorkDir(path)
     if (workDir !== undefined && path.startsWith(workDir)) {
-      path = path.substr(workDir.length)
+      path = path.substring(workDir.length)
     }
     return path
   }
diff --git a/src/parsers/dotnet-nunit/dotnet-nunit-parser.ts b/src/parsers/dotnet-nunit/dotnet-nunit-parser.ts
index 2204e01..4f996ef 100644
--- a/src/parsers/dotnet-nunit/dotnet-nunit-parser.ts
+++ b/src/parsers/dotnet-nunit/dotnet-nunit-parser.ts
@@ -136,7 +136,7 @@ export class DotnetNunitParser implements TestParser {
     path = normalizeFilePath(path)
     const workDir = this.getWorkDir(path)
     if (workDir !== undefined && path.startsWith(workDir)) {
-      path = path.substr(workDir.length)
+      path = path.substring(workDir.length)
     }
     return path
   }
diff --git a/src/parsers/dotnet-trx/dotnet-trx-parser.ts b/src/parsers/dotnet-trx/dotnet-trx-parser.ts
index 48a383f..9288133 100644
--- a/src/parsers/dotnet-trx/dotnet-trx-parser.ts
+++ b/src/parsers/dotnet-trx/dotnet-trx-parser.ts
@@ -94,7 +94,7 @@ export class DotnetTrxParser implements TestParser {
       const resultTestName = r.result.$.testName
       const testName =
         resultTestName.startsWith(className) && resultTestName[className.length] === '.'
-          ? resultTestName.substr(className.length + 1)
+          ? resultTestName.substring(className.length + 1)
           : resultTestName
 
       const test = new Test(testName, r.result.$.outcome, duration, error)
@@ -177,7 +177,7 @@ export class DotnetTrxParser implements TestParser {
         const filePath = normalizeFilePath(fileStr)
         const workDir = this.getWorkDir(filePath)
         if (workDir) {
-          const file = filePath.substr(workDir.length)
+          const file = filePath.substring(workDir.length)
           if (trackedFiles.includes(file)) {
             const line = parseInt(lineStr)
             return {path: file, line}
diff --git a/src/parsers/jest-junit/jest-junit-parser.ts b/src/parsers/jest-junit/jest-junit-parser.ts
index 6631d00..a281a78 100644
--- a/src/parsers/jest-junit/jest-junit-parser.ts
+++ b/src/parsers/jest-junit/jest-junit-parser.ts
@@ -106,7 +106,7 @@ export class JestJunitParser implements TestParser {
     path = normalizeFilePath(path)
     const workDir = this.getWorkDir(path)
     if (workDir !== undefined && path.startsWith(workDir)) {
-      path = path.substr(workDir.length)
+      path = path.substring(workDir.length)
     }
     return path
   }
diff --git a/src/parsers/mocha-json/mocha-json-parser.ts b/src/parsers/mocha-json/mocha-json-parser.ts
index d44f54a..3efc2ad 100644
--- a/src/parsers/mocha-json/mocha-json-parser.ts
+++ b/src/parsers/mocha-json/mocha-json-parser.ts
@@ -61,7 +61,7 @@ export class MochaJsonParser implements TestParser {
   private processTest(suite: TestSuiteResult, test: MochaJsonTest, result: TestExecutionResult): void {
     const groupName =
       test.fullTitle !== test.title
-        ? test.fullTitle.substr(0, test.fullTitle.length - test.title.length).trimEnd()
+        ? test.fullTitle.substring(0, test.fullTitle.length - test.title.length).trimEnd()
         : null
 
     let group = suite.groups.find(grp => grp.name === groupName)
@@ -103,7 +103,7 @@ export class MochaJsonParser implements TestParser {
     path = normalizeFilePath(path)
     const workDir = this.getWorkDir(path)
     if (workDir !== undefined && path.startsWith(workDir)) {
-      path = path.substr(workDir.length)
+      path = path.substring(workDir.length)
     }
     return path
   }
diff --git a/src/parsers/phpunit-junit/phpunit-junit-parser.ts b/src/parsers/phpunit-junit/phpunit-junit-parser.ts
index 844d9c6..65cb591 100644
--- a/src/parsers/phpunit-junit/phpunit-junit-parser.ts
+++ b/src/parsers/phpunit-junit/phpunit-junit-parser.ts
@@ -208,7 +208,7 @@ export class PhpunitJunitParser implements TestParser {
     path = normalizeFilePath(path)
     const workDir = this.getWorkDir(path)
     if (workDir !== undefined && path.startsWith(workDir)) {
-      path = path.substr(workDir.length)
+      path = path.substring(workDir.length)
     }
     return path
   }
diff --git a/src/parsers/rspec-json/rspec-json-parser.ts b/src/parsers/rspec-json/rspec-json-parser.ts
index bf72393..0bc2efe 100644
--- a/src/parsers/rspec-json/rspec-json-parser.ts
+++ b/src/parsers/rspec-json/rspec-json-parser.ts
@@ -55,7 +55,7 @@ export class RspecJsonParser implements TestParser {
   private processTest(suite: TestSuiteResult, test: RspecExample, result: TestExecutionResult): void {
     const groupName =
       test.full_description !== test.description
-        ? test.full_description.substr(0, test.full_description.length - test.description.length).trimEnd()
+        ? test.full_description.substring(0, test.full_description.length - test.description.length).trimEnd()
         : null
 
     let group = suite.groups.find(grp => grp.name === groupName)
diff --git a/src/utils/markdown-utils.ts b/src/utils/markdown-utils.ts
index 74db595..5479c1e 100644
--- a/src/utils/markdown-utils.ts
+++ b/src/utils/markdown-utils.ts
@@ -36,7 +36,7 @@ export function ellipsis(text: string, maxLength: number): string {
     return text
   }
 
-  return text.substr(0, maxLength - 3) + '...'
+  return text.substring(0, maxLength - 3) + '...'
 }
 
 export function formatTime(ms: number): string {
diff --git a/src/utils/path-utils.ts b/src/utils/path-utils.ts
index 91f1784..59d4a12 100644
--- a/src/utils/path-utils.ts
+++ b/src/utils/path-utils.ts
@@ -34,6 +34,6 @@ export function getBasePath(path: string, trackedFiles: string[]): string | unde
     return undefined
   }
 
-  const base = path.substr(0, path.length - max.length)
+  const base = path.substring(0, path.length - max.length)
   return base
 }