diff --git a/bower.json b/bower.json
index ba4ae21e7..9c9bd46f4 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "1.1.187",
+  "version": "1.1.189",
   "main": [
     "build/pdf.js",
     "build/pdf.worker.js"
diff --git a/build/pdf.combined.js b/build/pdf.combined.js
index 102756c52..239cc6a36 100644
--- a/build/pdf.combined.js
+++ b/build/pdf.combined.js
@@ -22,8 +22,8 @@ if (typeof PDFJS === 'undefined') {
   (typeof window !== 'undefined' ? window : this).PDFJS = {};
 }
 
-PDFJS.version = '1.1.187';
-PDFJS.build = '8aa1c81';
+PDFJS.version = '1.1.189';
+PDFJS.build = '749a60a';
 
 (function pdfjsWrapper() {
   // Use strict in our context only - users might not want it
@@ -24700,13 +24700,18 @@ var Font = (function FontClosure() {
         }
       }
 
-      var charCodeToGlyphId = [], charCode, toUnicode = properties.toUnicode;
+      var charCodeToGlyphId = [], charCode;
+      var toUnicode = properties.toUnicode, widths = properties.widths;
+      var isIdentityUnicode = toUnicode instanceof IdentityToUnicodeMap;
 
-      function hasGlyph(glyphId, charCode) {
+      function hasGlyph(glyphId, charCode, widthCode) {
         if (!missingGlyphs[glyphId]) {
           return true;
         }
-        if (charCode >= 0 && toUnicode.has(charCode)) {
+        if (!isIdentityUnicode && charCode >= 0 && toUnicode.has(charCode)) {
+          return true;
+        }
+        if (widths && widthCode >= 0 && isNum(widths[widthCode])) {
           return true;
         }
         return false;
@@ -24726,7 +24731,7 @@ var Font = (function FontClosure() {
           }
 
           if (glyphId >= 0 && glyphId < numGlyphs &&
-              hasGlyph(glyphId, charCode)) {
+              hasGlyph(glyphId, charCode, cid)) {
             charCodeToGlyphId[charCode] = glyphId;
           }
         });
@@ -24787,7 +24792,7 @@ var Font = (function FontClosure() {
             var found = false;
             for (i = 0; i < cmapMappingsLength; ++i) {
               if (cmapMappings[i].charCode === unicodeOrCharCode &&
-                  hasGlyph(cmapMappings[i].glyphId, unicodeOrCharCode)) {
+                  hasGlyph(cmapMappings[i].glyphId, unicodeOrCharCode, -1)) {
                 charCodeToGlyphId[charCode] = cmapMappings[i].glyphId;
                 found = true;
                 break;
@@ -24797,7 +24802,7 @@ var Font = (function FontClosure() {
               // Try to map using the post table. There are currently no known
               // pdfs that this fixes.
               var glyphId = properties.glyphNames.indexOf(glyphName);
-              if (glyphId > 0 && hasGlyph(glyphId, -1)) {
+              if (glyphId > 0 && hasGlyph(glyphId, -1, -1)) {
                 charCodeToGlyphId[charCode] = glyphId;
               }
             }
diff --git a/build/pdf.js b/build/pdf.js
index d9e15f862..34e81519d 100644
--- a/build/pdf.js
+++ b/build/pdf.js
@@ -22,8 +22,8 @@ if (typeof PDFJS === 'undefined') {
   (typeof window !== 'undefined' ? window : this).PDFJS = {};
 }
 
-PDFJS.version = '1.1.187';
-PDFJS.build = '8aa1c81';
+PDFJS.version = '1.1.189';
+PDFJS.build = '749a60a';
 
 (function pdfjsWrapper() {
   // Use strict in our context only - users might not want it
diff --git a/build/pdf.worker.js b/build/pdf.worker.js
index 577035187..9f23ba223 100644
--- a/build/pdf.worker.js
+++ b/build/pdf.worker.js
@@ -22,8 +22,8 @@ if (typeof PDFJS === 'undefined') {
   (typeof window !== 'undefined' ? window : this).PDFJS = {};
 }
 
-PDFJS.version = '1.1.187';
-PDFJS.build = '8aa1c81';
+PDFJS.version = '1.1.189';
+PDFJS.build = '749a60a';
 
 (function pdfjsWrapper() {
   // Use strict in our context only - users might not want it
@@ -18347,13 +18347,18 @@ var Font = (function FontClosure() {
         }
       }
 
-      var charCodeToGlyphId = [], charCode, toUnicode = properties.toUnicode;
+      var charCodeToGlyphId = [], charCode;
+      var toUnicode = properties.toUnicode, widths = properties.widths;
+      var isIdentityUnicode = toUnicode instanceof IdentityToUnicodeMap;
 
-      function hasGlyph(glyphId, charCode) {
+      function hasGlyph(glyphId, charCode, widthCode) {
         if (!missingGlyphs[glyphId]) {
           return true;
         }
-        if (charCode >= 0 && toUnicode.has(charCode)) {
+        if (!isIdentityUnicode && charCode >= 0 && toUnicode.has(charCode)) {
+          return true;
+        }
+        if (widths && widthCode >= 0 && isNum(widths[widthCode])) {
           return true;
         }
         return false;
@@ -18373,7 +18378,7 @@ var Font = (function FontClosure() {
           }
 
           if (glyphId >= 0 && glyphId < numGlyphs &&
-              hasGlyph(glyphId, charCode)) {
+              hasGlyph(glyphId, charCode, cid)) {
             charCodeToGlyphId[charCode] = glyphId;
           }
         });
@@ -18434,7 +18439,7 @@ var Font = (function FontClosure() {
             var found = false;
             for (i = 0; i < cmapMappingsLength; ++i) {
               if (cmapMappings[i].charCode === unicodeOrCharCode &&
-                  hasGlyph(cmapMappings[i].glyphId, unicodeOrCharCode)) {
+                  hasGlyph(cmapMappings[i].glyphId, unicodeOrCharCode, -1)) {
                 charCodeToGlyphId[charCode] = cmapMappings[i].glyphId;
                 found = true;
                 break;
@@ -18444,7 +18449,7 @@ var Font = (function FontClosure() {
               // Try to map using the post table. There are currently no known
               // pdfs that this fixes.
               var glyphId = properties.glyphNames.indexOf(glyphName);
-              if (glyphId > 0 && hasGlyph(glyphId, -1)) {
+              if (glyphId > 0 && hasGlyph(glyphId, -1, -1)) {
                 charCodeToGlyphId[charCode] = glyphId;
               }
             }
diff --git a/package.json b/package.json
index 76b8f4ac8..1ef2924d3 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "1.1.187",
+  "version": "1.1.189",
   "description": "Generic build of Mozilla's PDF.js library.",
   "keywords": [
     "Mozilla",