diff --git a/Integrations/Carthage/Cartfile b/Integrations/Carthage/Cartfile
index 65b46fb8..61505254 100644
--- a/Integrations/Carthage/Cartfile
+++ b/Integrations/Carthage/Cartfile
@@ -5,7 +5,7 @@ github "stephencelis/SQLite.swift" ~> 0.12.2
 github "scinfu/SwiftSoup" ~> 2.3.2
 
 # Readium 2 dependencies
-github "readium/r2-shared-swift" "develop"
-github "readium/r2-streamer-swift" "develop"
-github "readium/r2-navigator-swift" "develop"
-github "readium/r2-opds-swift" "develop"
+github "readium/r2-shared-swift" ~> 2.1.0
+github "readium/r2-streamer-swift" ~> 2.1.0
+github "readium/r2-navigator-swift" ~> 2.1.0
+github "readium/r2-opds-swift" ~> 2.1.0
diff --git a/Integrations/Carthage/Cartfile+lcp b/Integrations/Carthage/Cartfile+lcp
index 7c3bc646..3562e54e 100644
--- a/Integrations/Carthage/Cartfile+lcp
+++ b/Integrations/Carthage/Cartfile+lcp
@@ -5,8 +5,8 @@ github "stephencelis/SQLite.swift" ~> 0.12.2
 github "scinfu/SwiftSoup" ~> 2.3.2
 
 # Readium 2 dependencies
-github "readium/r2-shared-swift" "develop"
-github "readium/r2-streamer-swift" "develop"
-github "readium/r2-navigator-swift" "develop"
-github "readium/r2-opds-swift" "develop"
-github "readium/r2-lcp-swift" "develop"
+github "readium/r2-shared-swift" ~> 2.1.0
+github "readium/r2-streamer-swift" ~> 2.1.0
+github "readium/r2-navigator-swift" ~> 2.1.0
+github "readium/r2-opds-swift" ~> 2.1.0
+github "readium/r2-lcp-swift" ~> 2.1.0
diff --git a/Integrations/CocoaPods/Podfile b/Integrations/CocoaPods/Podfile
index a0947082..f635bff3 100644
--- a/Integrations/CocoaPods/Podfile
+++ b/Integrations/CocoaPods/Podfile
@@ -4,11 +4,11 @@ target 'R2TestApp' do
   # Comment the next line if you don't want to use dynamic frameworks
   use_frameworks!
 
-  pod 'R2Shared', podspec: 'https://raw.githubusercontent.com/readium/r2-shared-swift/develop/R2Shared.podspec'
-  pod 'R2Streamer', podspec: 'https://raw.githubusercontent.com/readium/r2-streamer-swift/develop/R2Streamer.podspec'
-  pod 'R2Navigator', podspec: 'https://raw.githubusercontent.com/readium/r2-navigator-swift/develop/R2Navigator.podspec'
-  pod 'ReadiumOPDS', podspec: 'https://raw.githubusercontent.com/readium/r2-opds-swift/develop/ReadiumOPDS.podspec'
-  pod 'ReadiumLCP', podspec: 'https://raw.githubusercontent.com/readium/r2-lcp-swift/develop/ReadiumLCP.podspec'
+  pod 'R2Shared', podspec: 'https://raw.githubusercontent.com/readium/r2-shared-swift/2.1.0/R2Shared.podspec'
+  pod 'R2Streamer', podspec: 'https://raw.githubusercontent.com/readium/r2-streamer-swift/2.1.0/R2Streamer.podspec'
+  pod 'R2Navigator', podspec: 'https://raw.githubusercontent.com/readium/r2-navigator-swift/2.1.0/R2Navigator.podspec'
+  pod 'ReadiumOPDS', podspec: 'https://raw.githubusercontent.com/readium/r2-opds-swift/2.1.0/ReadiumOPDS.podspec'
+  pod 'ReadiumLCP', podspec: 'https://raw.githubusercontent.com/readium/r2-lcp-swift/2.1.0/ReadiumLCP.podspec'
 
   pod 'GCDWebServer', podspec: 'https://raw.githubusercontent.com/readium/GCDWebServer/3.6.3/GCDWebServer.podspec'
   pod 'Kingfisher'
diff --git a/Integrations/CocoaPods/Podfile+lcp b/Integrations/CocoaPods/Podfile+lcp
index 653291f1..fae70828 100644
--- a/Integrations/CocoaPods/Podfile+lcp
+++ b/Integrations/CocoaPods/Podfile+lcp
@@ -4,11 +4,11 @@ target 'R2TestApp' do
   # Comment the next line if you don't want to use dynamic frameworks
   use_frameworks!
 
-  pod 'R2Shared', podspec: 'https://raw.githubusercontent.com/readium/r2-shared-swift/develop/R2Shared.podspec'
-  pod 'R2Streamer', podspec: 'https://raw.githubusercontent.com/readium/r2-streamer-swift/develop/R2Streamer.podspec'
-  pod 'R2Navigator', podspec: 'https://raw.githubusercontent.com/readium/r2-navigator-swift/develop/R2Navigator.podspec'
-  pod 'ReadiumOPDS', podspec: 'https://raw.githubusercontent.com/readium/r2-opds-swift/develop/ReadiumOPDS.podspec'
-  pod 'ReadiumLCP', podspec: 'https://raw.githubusercontent.com/readium/r2-lcp-swift/develop/ReadiumLCP.podspec'
+  pod 'R2Shared', podspec: 'https://raw.githubusercontent.com/readium/r2-shared-swift/2.1.0/R2Shared.podspec'
+  pod 'R2Streamer', podspec: 'https://raw.githubusercontent.com/readium/r2-streamer-swift/2.1.0/R2Streamer.podspec'
+  pod 'R2Navigator', podspec: 'https://raw.githubusercontent.com/readium/r2-navigator-swift/2.1.0/R2Navigator.podspec'
+  pod 'ReadiumOPDS', podspec: 'https://raw.githubusercontent.com/readium/r2-opds-swift/2.1.0/ReadiumOPDS.podspec'
+  pod 'ReadiumLCP', podspec: 'https://raw.githubusercontent.com/readium/r2-lcp-swift/2.1.0/ReadiumLCP.podspec'
   pod 'R2LCPClient', podspec: 'LCP_URL'
 
   pod 'GCDWebServer', podspec: 'https://raw.githubusercontent.com/readium/GCDWebServer/3.6.3/GCDWebServer.podspec'
diff --git a/Integrations/SPM/project+lcp.yml b/Integrations/SPM/project+lcp.yml
index cba745b0..00f67825 100644
--- a/Integrations/SPM/project+lcp.yml
+++ b/Integrations/SPM/project+lcp.yml
@@ -4,19 +4,19 @@ options:
 packages:
   R2Shared:
     url: https://github.com/readium/r2-shared-swift.git
-    branch: develop
+    from: 2.1.0
   R2Streamer:
     url: https://github.com/readium/r2-streamer-swift.git
-    branch: develop
+    from: 2.1.0
   R2Navigator:
     url: https://github.com/readium/r2-navigator-swift.git
-    branch: develop
+    from: 2.1.0
   ReadiumOPDS:
     url: https://github.com/readium/r2-opds-swift.git
-    branch: develop
+    from: 2.1.0
   ReadiumLCP:
     url: https://github.com/readium/r2-lcp-swift.git
-    branch: develop
+    from: 2.1.0
   Kingfisher:
     url: https://github.com/onevcat/Kingfisher.git
     from: 5.15.8
diff --git a/Integrations/SPM/project.yml b/Integrations/SPM/project.yml
index 3415c753..982a03b7 100644
--- a/Integrations/SPM/project.yml
+++ b/Integrations/SPM/project.yml
@@ -4,16 +4,16 @@ options:
 packages:
   R2Shared:
     url: https://github.com/readium/r2-shared-swift.git
-    branch: develop
+    from: 2.1.0
   R2Streamer:
     url: https://github.com/readium/r2-streamer-swift.git
-    branch: develop
+    from: 2.1.0
   R2Navigator:
     url: https://github.com/readium/r2-navigator-swift.git
-    branch: develop
+    from: 2.1.0
   ReadiumOPDS:
     url: https://github.com/readium/r2-opds-swift.git
-    branch: develop
+    from: 2.1.0
   Kingfisher:
     url: https://github.com/onevcat/Kingfisher.git
     from: 5.15.8
diff --git a/Sources/Info.plist b/Sources/Info.plist
index 2d643fd1..db012254 100644
--- a/Sources/Info.plist
+++ b/Sources/Info.plist
@@ -173,9 +173,9 @@
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>2.2.0</string>
+	<string>2.2.1</string>
 	<key>CFBundleVersion</key>
-	<string>2.2.0</string>
+	<string>2.2.1</string>
 	<key>LSRequiresIPhoneOS</key>
 	<true/>
 	<key>LSSupportsOpeningDocumentsInPlace</key>