diff --git a/projects/ncdns-nsis/build b/projects/ncdns-nsis/build
index ba3a892..62c1f32 100644
--- a/projects/ncdns-nsis/build
+++ b/projects/ncdns-nsis/build
@@ -4,14 +4,6 @@
 distdir=/var/tmp/dist/[% project %]
 mkdir -p "$distdir"
 
-# We need to install a recent version of python-pefile so that it works
-# in a x86_64 container:
-# https://github.com/TheTorProject/tor-messenger-build/pull/10
-tar xf $rootdir/[% c('input_files_by_name/python-pefile') %]
-cd $(echo [% c('input_files_by_name/python-pefile') %] | sed s/\.tar\.gz$//)
-python setup.py install --user
-cd ..
-
 tar -C /var/tmp/dist -xf $rootdir/[% c('input_files_by_name/nsis') %]
 export PATH="/var/tmp/dist/nsis/bin:$PATH"
 
@@ -70,5 +62,5 @@ makensis ${NSISFLAGS} -DPOSIX_BUILD=1 -DNCDNS_PRODVER=${NCDNS_NSIS_VERSION} [% c
 
 # Working around NSIS braindamage
 mv "${OUTFN}" torbrowser-install-tmp.exe
-python $rootdir/pe_checksum_fix.py
+python3 $rootdir/pe_checksum_fix.py
 mv torbrowser-install-tmp2.exe [% dest_dir _ '/' _ c('filename') %]
diff --git a/projects/ncdns-nsis/config b/projects/ncdns-nsis/config
index 359d45a..6277cae 100644
--- a/projects/ncdns-nsis/config
+++ b/projects/ncdns-nsis/config
@@ -16,8 +16,7 @@ var:
   container:
     use_container: 1
   deps:
-    - python
-    - python-future
+    - python3-pefile
     - unzip
 
 targets:
@@ -63,6 +62,3 @@ input_files:
   - project: stemns
     name: stemns
   - filename: pe_checksum_fix.py
-  - name: python-pefile
-    URL: https://files.pythonhosted.org/packages/7e/9b/f99171190f04cd23768547dd34533b4016bd582842f53cd9fe9585a74c74/pefile-2017.11.5.tar.gz
-    sha256sum: 675c35ee0e1677db9e80d2f48d8a7ff2cf38e6207e8cd5e2a2c6d126db025854