diff --git a/CHANGELOG.md b/CHANGELOG.md
index 043667f..43e154b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,12 +2,15 @@
 
 # Master
 
-- Python 3.8.2 now available.
-
+- Correct ftp to https in vendored file
 
 --------------------------------------------------------------------------------
 
-# 163 (2020-02-20)
+# 165 (2020-02-27)
+
+- Python 3.8.2 now available.
+
+# 164 (2020-02-20)
 
 - Update requirements.txt builds to use Pip 20.0.2
 - Download get-pip.py to tmpdir instead of root dir
diff --git a/builds/libraries/vendor/libffi b/builds/libraries/vendor/libffi
index 5955371..ba8c7dd 100755
--- a/builds/libraries/vendor/libffi
+++ b/builds/libraries/vendor/libffi
@@ -15,11 +15,11 @@ hash -r
 
 echo "Building libffi…"
 
-SOURCE_TARBALL='ftp://sourceware.org/pub/libffi/libffi-3.1.tar.gz'
+SOURCE_TARBALL='https://github.com/libffi/libffi/archive/v3.1.tar.gz'
 
 curl -L $SOURCE_TARBALL | tar x
 
-cd libffi-3.1
+cd v3.1
 ./configure --prefix=$OUT_PREFIX --disable-static &&
 make
 make install