diff --git a/pkgs/development/python-modules/apache-airflow/default.nix b/pkgs/development/python-modules/apache-airflow/default.nix
index 2d80b6a3984a..2ffe0b137528 100644
--- a/pkgs/development/python-modules/apache-airflow/default.nix
+++ b/pkgs/development/python-modules/apache-airflow/default.nix
@@ -64,13 +64,13 @@
 }:
 let
 
-  version = "2.1.2";
+  version = "2.1.4";
 
   airflow-src = fetchFromGitHub rec {
     owner = "apache";
     repo = "airflow";
     rev = version;
-    sha256 = "sha256-Q0l2c1tuxcoE65zgdxnv/j1TIoQzaNoEFCYHvqN+Bzk=";
+    sha256 = "12nxjaz4afkq30s42x3rbsci8jiw2k5zjngsc8i190fasbacbnbs";
   };
 
   # airflow bundles a web interface, which is built using webpack by an undocumented shell script in airflow's source tree.
@@ -193,7 +193,9 @@ buildPythonPackage rec {
       --replace "sqlalchemy>=1.3.18, <1.4" "sqlalchemy" \
       --replace "sqlalchemy_jsonfield~=1.0" "sqlalchemy-jsonfield" \
       --replace "werkzeug~=1.0, >=1.0.1" "werkzeug" \
-      --replace "itsdangerous>=1.1.0, <2.0" "itsdangerous"
+      --replace "itsdangerous>=1.1.0, <2.0" "itsdangerous" \
+      --replace "python-slugify>=3.0.0,<5.0" "python-slugify" \
+      --replace "colorlog>=4.0.2, <6.0" "colorlog"
 
     substituteInPlace tests/core/test_core.py \
       --replace "/bin/bash" "${stdenv.shell}"
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 18c5484a9b18..2d114d0139e8 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -892,7 +892,7 @@ with pkgs;
 
   airfield = callPackage ../tools/networking/airfield { };
 
-  apache-airflow = with python37.pkgs; toPythonApplication apache-airflow;
+  apache-airflow = with python3.pkgs; toPythonApplication apache-airflow;
 
   airsonic = callPackage ../servers/misc/airsonic { };