diff --git a/lib/formatting.js b/lib/formatting.js
index 9bd96112..9db5acfd 100644
--- a/lib/formatting.js
+++ b/lib/formatting.js
@@ -170,7 +170,7 @@ const formatAs = {
     array({query, array, raw, options}) {
         options = options && typeof options === 'object' ? options : {};
         return query.replace(npm.patterns.multipleValues, name => {
-            const v = formatAs.stripName(name.substr(1), raw);
+            const v = formatAs.stripName(name.substring(1), raw);
             const idx = v.name - 1;
             if (idx >= maxVariable) {
                 throw new RangeError(`Variable $${v.name} exceeds supported maximum of $${maxVariable}`);
@@ -200,7 +200,7 @@ const formatAs = {
         const mod = name.match(npm.patterns.hasValidModifier);
         if (mod) {
             return {
-                name: name.substr(0, mod.index),
+                name: name.substring(0, mod.index),
                 fm: fmMap[mod[0]] | (raw ? fmFlags.raw : 0)
             };
         }
diff --git a/lib/helpers/column.js b/lib/helpers/column.js
index 623009b6..f966875b 100644
--- a/lib/helpers/column.js
+++ b/lib/helpers/column.js
@@ -266,11 +266,11 @@ function parseColumn(name) {
         const res = {};
         if (name[0] === '?') {
             res.cnd = true;
-            name = name.substr(1);
+            name = name.substring(1);
         }
         const mod = name.match(npm.patterns.hasValidModifier);
         if (mod) {
-            res.name = name.substr(0, mod.index);
+            res.name = name.substring(0, mod.index);
             res.mod = mod[0];
         } else {
             res.name = name;
diff --git a/lib/utils/index.js b/lib/utils/index.js
index 30a98481..832dde65 100644
--- a/lib/utils/index.js
+++ b/lib/utils/index.js
@@ -162,7 +162,7 @@ function addInspection(type, cb) {
 // This is for detecting when to skip executing ROLLBACK for a failed transaction.
 function isConnectivityError(err) {
     const code = err && typeof err.code === 'string' && err.code;
-    const cls = code && code.substr(0, 2); // Error Class
+    const cls = code && code.substring(0, 2); // Error Class
     // istanbul ignore next (we cannot test-cover all error cases):
     return code === 'ECONNRESET' || (cls === '08' && code !== '08P01') || (cls === '57' && code !== '57014');
     // Code 'ECONNRESET' - Connectivity issue handled by the driver.
diff --git a/lib/utils/public.js b/lib/utils/public.js
index 4ffebd28..c538b147 100644
--- a/lib/utils/public.js
+++ b/lib/utils/public.js
@@ -39,7 +39,7 @@ const npm = {
  */
 function camelize(text) {
     text = text.replace(/[-_\s.]+(.)?/g, (_, c) => c ? c.toUpperCase() : '');
-    return text.substr(0, 1).toLowerCase() + text.substr(1);
+    return text.substring(0, 1).toLowerCase() + text.substring(1);
 }
 
 /**