diff --git a/pkgs/tools/networking/offlineimap/default.nix b/pkgs/tools/networking/offlineimap/default.nix
index 5dc789e0dc5..98aabadf6da 100644
--- a/pkgs/tools/networking/offlineimap/default.nix
+++ b/pkgs/tools/networking/offlineimap/default.nix
@@ -1,6 +1,6 @@
 { lib
 , fetchFromGitHub
-, python2Packages
+, python3
 , asciidoc
 , cacert
 , docbook_xsl
@@ -9,15 +9,15 @@
 , libxslt
 }:
 
-python2Packages.buildPythonApplication rec {
-  version = "7.3.4";
+python3.pkgs.buildPythonApplication rec {
   pname = "offlineimap";
+  version = "8.0.0";
 
   src = fetchFromGitHub {
     owner = "OfflineIMAP";
-    repo = "offlineimap";
+    repo = "offlineimap3";
     rev = "v${version}";
-    sha256 = "sha256-sra2H0+5+LAIU3+uJnii+AYA05nuDyKVMW97rbaFOfI=";
+    sha256 = "0y3giaz9i8vvczlxkbwymfkn3vi9fv599dy4pc2pn2afxsl4mg2w";
   };
 
   nativeBuildInputs = [
@@ -28,11 +28,14 @@ python2Packages.buildPythonApplication rec {
     libxslt
   ];
 
-  propagatedBuildInputs = with python2Packages; [
-    six
+  propagatedBuildInputs = with python3.pkgs; [
+    certifi
+    distro
+    imaplib2
     kerberos
-    rfc6555
     pysocks
+    rfc6555
+    urllib3
   ];
 
   postPatch = ''
@@ -40,7 +43,7 @@ python2Packages.buildPythonApplication rec {
     sed -i docs/Makefile -e "s|a2x -v -d |a2x -L -v -d |"
 
     # Provide CA certificates (Used when "sslcacertfile = OS-DEFAULT" is configured")
-    sed -i offlineimap/utils/distro.py -e '/def get_os_sslcertfile():/a\ \ \ \ return "${cacert}/etc/ssl/certs/ca-bundle.crt"'
+    sed -i offlineimap/utils/distro_utils.py -e '/def get_os_sslcertfile():/a\ \ \ \ return "${cacert}/etc/ssl/certs/ca-bundle.crt"'
   '';
 
   postInstall = ''
@@ -52,6 +55,10 @@ python2Packages.buildPythonApplication rec {
   # Test requires credentials
   doCheck = false;
 
+  pythonImportsCheck = [
+    "offlineimap"
+  ];
+
   meta = with lib; {
     description = "Synchronize emails between two repositories, so that you can read the same mailbox from multiple computers";
     homepage = "http://offlineimap.org";