diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7b09be0..7b4a9b9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,9 +2,9 @@
 project(double-conversion)
 
 # pick a version #
-set(double-conversion_VERSION 2.0.1)
+set(double-conversion_VERSION 2.0.4)
 set(double-conversion_SOVERSION_MAJOR 1)
-set(double-conversion_SOVERSION_MINOR 0)
+set(double-conversion_SOVERSION_MINOR 1)
 set(double-conversion_SOVERSION_PATCH 0)
 set(double-conversion_SOVERSION
   ${double-conversion_SOVERSION_MAJOR}.${double-conversion_SOVERSION_MINOR}.${double-conversion_SOVERSION_PATCH})
diff --git a/Changelog b/Changelog
index adf7084..339c318 100644
--- a/Changelog
+++ b/Changelog
@@ -1,3 +1,7 @@
+2018-09-15:
+  Increase version numbers. This also changes the shared library version
+  number.
+
 2018-09-09:
   Fix bug where large hex literals would lose their minus sign.
 
diff --git a/SConstruct b/SConstruct
index 0d55b12..e0e421c 100644
--- a/SConstruct
+++ b/SConstruct
@@ -16,7 +16,7 @@
 env.Replace(CXX = ARGUMENTS.get('CXX', 'g++'))
 
 # for shared lib, requires scons 2.3.0
-env['SHLIBVERSION'] = '1.0.0'
+env['SHLIBVERSION'] = '1.1.0'
 
 CCFLAGS = []
 if int(debug):