diff --git a/lerna.json b/lerna.json
index acc5c814..32bdbacd 100644
--- a/lerna.json
+++ b/lerna.json
@@ -3,7 +3,7 @@
   "packages": [
     "packages/*"
   ],
-  "version": "0.6.0",
+  "version": "0.6.1",
   "command": {
     "publish": {
       "message": "Bump version to %v",
diff --git a/packages/comic-parser/package.json b/packages/comic-parser/package.json
index 090cd521..af313159 100644
--- a/packages/comic-parser/package.json
+++ b/packages/comic-parser/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ridi/comic-parser",
-  "version": "0.6.0",
+  "version": "0.6.1",
   "description": "Common comic data parser for Ridibooks services",
   "author": {
     "name": "Ridibooks Viewer Team",
@@ -18,7 +18,7 @@
   ],
   "main": "lib/index.js",
   "dependencies": {
-    "@ridi/parser-core": "^0.6.0",
+    "@ridi/parser-core": "^0.6.1",
     "fs-extra": "^8.0.0",
     "image-size": "^0.7.1",
     "string-natural-compare": "^2.0.3"
diff --git a/packages/content-parser/package.json b/packages/content-parser/package.json
index f9af40ae..3eaa7c09 100644
--- a/packages/content-parser/package.json
+++ b/packages/content-parser/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ridi/content-parser",
-  "version": "0.6.0",
+  "version": "0.6.1",
   "description": "Content data parser for Ridibooks services",
   "author": {
     "name": "Ridibooks Viewer Team",
@@ -18,9 +18,9 @@
   ],
   "main": "lib/index.js",
   "dependencies": {
-    "@ridi/comic-parser": "^0.6.0",
-    "@ridi/epub-parser": "^0.6.0",
-    "@ridi/parser-core": "^0.6.0",
-    "@ridi/pdf-parser": "^0.6.0"
+    "@ridi/comic-parser": "^0.6.1",
+    "@ridi/epub-parser": "^0.6.1",
+    "@ridi/parser-core": "^0.6.1",
+    "@ridi/pdf-parser": "^0.6.1"
   }
 }
diff --git a/packages/epub-parser/package.json b/packages/epub-parser/package.json
index cf73b068..80449a2f 100644
--- a/packages/epub-parser/package.json
+++ b/packages/epub-parser/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ridi/epub-parser",
-  "version": "0.6.0",
+  "version": "0.6.1",
   "description": "Common EPUB2 data parser for Ridibooks services",
   "author": {
     "name": "Ridibooks Viewer Team",
@@ -28,7 +28,7 @@
   ],
   "main": "lib/index.js",
   "dependencies": {
-    "@ridi/parser-core": "^0.6.0",
+    "@ridi/parser-core": "^0.6.1",
     "css-tree": "^1.0.0-alpha.29",
     "fast-xml-parser": "^3.12.17",
     "fs-extra": "^8.0.0",
diff --git a/packages/parser-core/package.json b/packages/parser-core/package.json
index 2ddc90ac..49688631 100644
--- a/packages/parser-core/package.json
+++ b/packages/parser-core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ridi/parser-core",
-  "version": "0.6.0",
+  "version": "0.6.1",
   "description": "Utilities for parsers",
   "author": {
     "name": "Ridibooks Viewer Team",
diff --git a/packages/pdf-parser/package.json b/packages/pdf-parser/package.json
index f4676080..0ef945c7 100644
--- a/packages/pdf-parser/package.json
+++ b/packages/pdf-parser/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ridi/pdf-parser",
-  "version": "0.6.0",
+  "version": "0.6.1",
   "description": "Common PDF data parser for Ridibooks services",
   "author": {
     "name": "Ridibooks Viewer Team",
@@ -18,7 +18,7 @@
   ],
   "main": "lib/index.js",
   "dependencies": {
-    "@ridi/parser-core": "^0.6.0",
+    "@ridi/parser-core": "^0.6.1",
     "pdfjs-dist": "^2.1.266",
     "worker-loader": "^2.0.0"
   },