diff --git a/README.md b/README.md
index 5a3e9533..e5eaf70d 100644
--- a/README.md
+++ b/README.md
@@ -189,7 +189,7 @@ version: 0.1.0
 
 dependencies:
   crsfml:
-    github: BlaXpirit/crsfml
+    github: oprypin/crsfml
     version: 1.2.3
 ```
 
diff --git a/examples/diagnostics.cr b/examples/diagnostics.cr
index ed66be8b..dbeb75d3 100644
--- a/examples/diagnostics.cr
+++ b/examples/diagnostics.cr
@@ -192,7 +192,7 @@ class KeyboardView < View
 
       case event.code
       when SF::Keyboard::BackSpace
-        @str = @str.chop
+        @str = @str.rchop
       when SF::Keyboard::Return
         @str += '\n'
       when SF::Keyboard::Tab
diff --git a/shard.yml b/shard.yml
index 7bf2e9af..ac743d69 100644
--- a/shard.yml
+++ b/shard.yml
@@ -1,5 +1,5 @@
 name: crsfml
-version: 2.4.4
+version: 2.4.5
 
 authors:
   - Oleh Prypin <oleh@pryp.in>
@@ -9,7 +9,7 @@ description: |
 
 license: zlib
 
-crystal: 0.20.4
+crystal: 0.22.0
 
 libraries:
-  SFML: 2.4.1
+  SFML: 2.4.2
diff --git a/src/common.cr b/src/common.cr
index 3a0e7104..c95e12df 100644
--- a/src/common.cr
+++ b/src/common.cr
@@ -1,8 +1,8 @@
 require "./sizes"
 
 module SF
-  VERSION = "2.4.4"
-  SFML_VERSION = "2.4.1"
+  VERSION = "2.4.5"
+  SFML_VERSION = "2.4.2"
 
   # Raised in shorthand class methods if initialization or resource loading fails
   class InitError < Exception
diff --git a/src/window/obj.cr b/src/window/obj.cr
index 47d1ef32..cf227f61 100644
--- a/src/window/obj.cr
+++ b/src/window/obj.cr
@@ -1936,8 +1936,6 @@ module SF
   # Enumeration of the window styles
   @[Flags]
   enum Style
-    # No border / title bar (this flag and all others are mutually exclusive)
-    None = 0
     # Title bar + fixed border
     Titlebar = 1 << 0
     # Title bar + resizable border + maximize button
diff --git a/voidcsfml/CMakeLists.txt b/voidcsfml/CMakeLists.txt
index a78542cf..e1856f03 100644
--- a/voidcsfml/CMakeLists.txt
+++ b/voidcsfml/CMakeLists.txt
@@ -242,9 +242,9 @@ list(APPEND CMAKE_MODULE_PATH "/usr/local/opt/sfml/share/SFML/cmake/Modules") #
 find_package(SFML 2.4
     COMPONENTS system window graphics audio network REQUIRED
 )
-if(NOT "2.4.1" STREQUAL "${SFML_VERSION_MAJOR}.${SFML_VERSION_MINOR}.${SFML_VERSION_PATCH}")
+if(NOT "2.4.2" STREQUAL "${SFML_VERSION_MAJOR}.${SFML_VERSION_MINOR}.${SFML_VERSION_PATCH}")
     message(WARNING
-        "Expecting SFML 2.4.1, "
+        "Expecting SFML 2.4.2, "
         "found SFML ${SFML_VERSION_MAJOR}.${SFML_VERSION_MINOR}.${SFML_VERSION_PATCH}"
     )
 endif()