diff --git a/HISTORY.rst b/HISTORY.rst
index 7845afc7..dfa62deb 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -1,3 +1,12 @@
+v0.4.1
+======
+
+2018/7/30
+
+* Documentation fixes.
+* Replaced uses of std::map::at() since it's not supported in pre-C++11 compilers.
+* Replaced initialization lists due to the same reason as above.
+
 v0.4.0
 ======
 
diff --git a/docs/conf.py b/docs/conf.py
index a3a0dc5b..4bf080ae 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -57,9 +57,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = '0.4.0'
+version = '0.4.1'
 # The full version, including alpha/beta/rc tags.
-release = '0.4.0'
+release = '0.4.1'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/pandana/__init__.py b/pandana/__init__.py
index 01e0a3be..c6bc977e 100644
--- a/pandana/__init__.py
+++ b/pandana/__init__.py
@@ -1,3 +1,3 @@
 from .network import Network
 
-version = __version__ = '0.4.0'
+version = __version__ = '0.4.1'
diff --git a/setup.py b/setup.py
index 70740a1d..c223d61c 100644
--- a/setup.py
+++ b/setup.py
@@ -91,7 +91,7 @@ def run(self):
             extra_compile_args += ['-D NO_TR1_MEMORY']
             extra_compile_args += ['-stdlib=libc++']
 
-version = '0.4.0'
+version = '0.4.1'
 
 # read long description from README
 with open('README.rst', 'r') as f: