diff --git a/contrib/android/buildozer.spec b/contrib/android/buildozer.spec
index a727f8cc6..7326a0d21 100644
--- a/contrib/android/buildozer.spec
+++ b/contrib/android/buildozer.spec
@@ -38,8 +38,8 @@ version.filename = %(source.dir)s/electrum/version.py
 # (list) Application requirements
 requirements =
     # note: re python3.8, see #6147
-    hostpython3==3.7.7,
-    python3==3.7.7,
+    hostpython3==3.7.9,
+    python3==3.7.9,
     android,
     openssl,
     plyer,
diff --git a/contrib/build-linux/appimage/build.sh b/contrib/build-linux/appimage/build.sh
index b4071f794..a82a3200e 100755
--- a/contrib/build-linux/appimage/build.sh
+++ b/contrib/build-linux/appimage/build.sh
@@ -13,7 +13,7 @@ CACHEDIR="$CONTRIB_APPIMAGE/.cache/appimage"
 export GCC_STRIP_BINARIES="1"
 
 # pinned versions
-PYTHON_VERSION=3.7.7
+PYTHON_VERSION=3.7.9
 PKG2APPIMAGE_COMMIT="eb8f3acdd9f11ab19b78f5cb15daa772367daf15"
 SQUASHFSKIT_COMMIT="ae0d656efa2d0df2fcac795b6823b44462f19386"
 
@@ -38,7 +38,7 @@ download_if_not_exist "$CACHEDIR/appimagetool" "https://github.com/AppImage/AppI
 verify_hash "$CACHEDIR/appimagetool" "d918b4df547b388ef253f3c9e7f6529ca81a885395c31f619d9aaf7030499a13"
 
 download_if_not_exist "$CACHEDIR/Python-$PYTHON_VERSION.tar.xz" "https://www.python.org/ftp/python/$PYTHON_VERSION/Python-$PYTHON_VERSION.tar.xz"
-verify_hash "$CACHEDIR/Python-$PYTHON_VERSION.tar.xz" "06a0a9f1bf0d8cd1e4121194d666c4e28ddae4dd54346de6c343206599f02136"
+verify_hash "$CACHEDIR/Python-$PYTHON_VERSION.tar.xz" "91923007b05005b5f9bd46f3b9172248aea5abc1543e8a636d59e629c3331b01"
 
 
 
diff --git a/contrib/build-wine/prepare-wine.sh b/contrib/build-wine/prepare-wine.sh
index 3537ab58e..2f9f19581 100755
--- a/contrib/build-wine/prepare-wine.sh
+++ b/contrib/build-wine/prepare-wine.sh
@@ -17,7 +17,7 @@ PYINSTALLER_REPO="https://github.com/SomberNight/pyinstaller.git"
 PYINSTALLER_COMMIT="e934539374e30d1500fcdbe8e4eb0860413935b2"
 # ^ tag 3.6, plus a custom commit that fixes cross-compilation with MinGW
 
-PYTHON_VERSION=3.7.7
+PYTHON_VERSION=3.7.9
 
 ## These settings probably don't need change
 export WINEPREFIX=/opt/wine64
diff --git a/contrib/osx/make_osx b/contrib/osx/make_osx
index c26c72f0f..4b5acbdf4 100755
--- a/contrib/osx/make_osx
+++ b/contrib/osx/make_osx
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 
 # Parameterize
-PYTHON_VERSION=3.7.7
+PYTHON_VERSION=3.7.9
 BUILDDIR=/tmp/electrum-build
 PACKAGE=Electrum
 GIT_REPO=https://github.com/spesmilo/electrum