diff --git a/change_log.md b/change_log.md
index cee6784..3e65828 100644
--- a/change_log.md
+++ b/change_log.md
@@ -1,3 +1,8 @@
+# 0.4.4 (github, pypi and conda: 2021.12.02)
+* Introducing new pandas data types Float64Dtype and Float32Dtype when writing.
+  This requires pandas > 1.2.0. Python 3.6 taken out of wheels as there
+  is no 1.2.0 version.
+
 # 0.4.3 (github, pypi and conda: 2021.11.30)
 * fixed bug when translating datetime to string when writing.
 
diff --git a/docs/_build/doctrees/environment.pickle b/docs/_build/doctrees/environment.pickle
index 1c71c6b..aff2031 100644
Binary files a/docs/_build/doctrees/environment.pickle and b/docs/_build/doctrees/environment.pickle differ
diff --git a/docs/_build/html/.buildinfo b/docs/_build/html/.buildinfo
index ab4be8f..42fe5cc 100644
--- a/docs/_build/html/.buildinfo
+++ b/docs/_build/html/.buildinfo
@@ -1,4 +1,4 @@
 # Sphinx build info version 1
 # This file hashes the configuration used when building these files. When it is not found, a full rebuild will be done.
-config: b85e6b6110c6a913f94f009b21993df4
+config: ee2514f71394247031b13cf188824279
 tags: 645f666f9bcd5a90fca523b33c5a78b7
diff --git a/docs/_build/html/_static/documentation_options.js b/docs/_build/html/_static/documentation_options.js
index 9bf3360..315e067 100644
--- a/docs/_build/html/_static/documentation_options.js
+++ b/docs/_build/html/_static/documentation_options.js
@@ -1,6 +1,6 @@
 var DOCUMENTATION_OPTIONS = {
     URL_ROOT: document.getElementById("documentation_options").getAttribute('data-url_root'),
-    VERSION: '0.4.3',
+    VERSION: '0.4.4',
     LANGUAGE: 'None',
     COLLAPSE_INDEX: false,
     BUILDER: 'html',
diff --git a/docs/_build/html/genindex.html b/docs/_build/html/genindex.html
index 72cd059..6903451 100644
--- a/docs/_build/html/genindex.html
+++ b/docs/_build/html/genindex.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>Index &mdash; pyreadr 0.4.3 documentation</title>
+  <title>Index &mdash; pyreadr 0.4.4 documentation</title>
       <link rel="stylesheet" href="_static/pygments.css" type="text/css" />
       <link rel="stylesheet" href="_static/css/theme.css" type="text/css" />
   <!--[if lt IE 9]>
diff --git a/docs/_build/html/index.html b/docs/_build/html/index.html
index ad7fa24..c560c7b 100644
--- a/docs/_build/html/index.html
+++ b/docs/_build/html/index.html
@@ -4,7 +4,7 @@
   <meta charset="utf-8" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>Welcome to pyreadr’s documentation! &mdash; pyreadr 0.4.3 documentation</title>
+  <title>Welcome to pyreadr’s documentation! &mdash; pyreadr 0.4.4 documentation</title>
       <link rel="stylesheet" href="_static/pygments.css" type="text/css" />
       <link rel="stylesheet" href="_static/css/theme.css" type="text/css" />
   <!--[if lt IE 9]>
diff --git a/docs/_build/html/py-modindex.html b/docs/_build/html/py-modindex.html
index 36d597b..442a3a4 100644
--- a/docs/_build/html/py-modindex.html
+++ b/docs/_build/html/py-modindex.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>Python Module Index &mdash; pyreadr 0.4.3 documentation</title>
+  <title>Python Module Index &mdash; pyreadr 0.4.4 documentation</title>
       <link rel="stylesheet" href="_static/pygments.css" type="text/css" />
       <link rel="stylesheet" href="_static/css/theme.css" type="text/css" />
   <!--[if lt IE 9]>
diff --git a/docs/_build/html/search.html b/docs/_build/html/search.html
index 670ac26..8d7d619 100644
--- a/docs/_build/html/search.html
+++ b/docs/_build/html/search.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>Search &mdash; pyreadr 0.4.3 documentation</title>
+  <title>Search &mdash; pyreadr 0.4.4 documentation</title>
       <link rel="stylesheet" href="_static/pygments.css" type="text/css" />
       <link rel="stylesheet" href="_static/css/theme.css" type="text/css" />
     
diff --git a/docs/conf.py b/docs/conf.py
index 845cd55..7255fc1 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -26,7 +26,7 @@
 # The short X.Y version
 version = ''
 # The full version, including alpha/beta/rc tags
-release = '0.4.3'
+release = '0.4.4'
 
 
 # -- General configuration ---------------------------------------------------
diff --git a/pyreadr/__init__.py b/pyreadr/__init__.py
index e51ae21..25468bf 100644
--- a/pyreadr/__init__.py
+++ b/pyreadr/__init__.py
@@ -1,5 +1,5 @@
 from .pyreadr import read_r, list_objects, write_rds, write_rdata, download_file
 from .custom_errors import PyreadrError, LibrdataError
 
-__version__ = "0.4.3"
+__version__ = "0.4.4"
 
diff --git a/pyreadr/_pyreadr_writer.py b/pyreadr/_pyreadr_writer.py
index 95b253f..9bd69c6 100644
--- a/pyreadr/_pyreadr_writer.py
+++ b/pyreadr/_pyreadr_writer.py
@@ -21,7 +21,8 @@
              np.int32, np.int16, np.int8, np.uint8, np.uint16}
 int_mixed_types = {pd.Int8Dtype(), pd.Int16Dtype(), pd.Int32Dtype(), pd.UInt8Dtype(), pd.UInt16Dtype()}
 float_types = {np.dtype('int64'), np.dtype('uint64'), np.dtype('uint32'), np.dtype('float'),
-               np.int64, np.uint64, np.uint32, np.float, pd.Int64Dtype(), pd.UInt32Dtype(), pd.UInt64Dtype()}
+               np.int64, np.uint64, np.uint32, np.float, pd.Int64Dtype(), pd.UInt32Dtype(), pd.UInt64Dtype(),
+               pd.Float64Dtype(), pd.Float32Dtype()}
 datetime_types = {datetime.datetime, np.datetime64}
 
 pyreadr_to_librdata_types = {"INTEGER": "INTEGER", "NUMERIC": "NUMERIC",
diff --git a/setup.py b/setup.py
index 2cb6c47..518e338 100644
--- a/setup.py
+++ b/setup.py
@@ -83,12 +83,12 @@
 
 setup(
     name='pyreadr',
-    version='0.4.3',
+    version='0.4.4',
     ext_modules=cythonize([librdata], force=True),
     packages=["pyreadr"],
     include_package_data=True,
     data_files=data_files,
-    install_requires=['pandas>0.24.0'],
+    install_requires=['pandas>=1.2.0'],
     license="AGPLv3",
     classifiers=[
         "Programming Language :: Python",
