diff --git a/.travis.yml b/.travis.yml
index 23edfa23..deee1c02 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,7 +10,7 @@ env:
     - BUILD_OPENSSL_VERSION=1.1.1g
     - MIN_OPENSSL_VERSION=1.1.1g
     - PATCHELF_VERSION=0.10
-    - PYINSTALLER_VERSION=3.5
+    - PYINSTALLER_COMMIT=3010fdfaa037e9b19e936711d0c0be9b314b03c6
     - secure: "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"
     - secure: "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"
     - secure: "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"
diff --git a/src/travis/linux-before-install.sh b/src/travis/linux-before-install.sh
index 5c0de20c..a8065912 100755
--- a/src/travis/linux-before-install.sh
+++ b/src/travis/linux-before-install.sh
@@ -104,7 +104,7 @@ else
     $pip install staticx
   fi
 
-  $pip install --upgrade https://github.com/pyinstaller/pyinstaller/archive/develop.tar.gz
+  $pip install --upgrade git+git://github.com/pyinstaller/pyinstaller.git@$PYINSTALLER_COMMIT
 
   cd $whereibelong
 fi
diff --git a/src/travis/osx-before-install.sh b/src/travis/osx-before-install.sh
index c077b7a9..2a59664b 100755
--- a/src/travis/osx-before-install.sh
+++ b/src/travis/osx-before-install.sh
@@ -107,4 +107,5 @@ cd $whereibelong
 $pip install --upgrade pip
 $pip list --outdated --format=freeze | grep -v '^\-e' | cut -d = -f 1  | xargs -n1 $pip install -U
 $pip install --upgrade -r src/requirements.txt
-$pip install --upgrade https://github.com/pyinstaller/pyinstaller/archive/develop.tar.gz
+$pip install --upgrade git+git://github.com/pyinstaller/pyinstaller.git@$PYINSTALLER_COMMIT
+ 
diff --git a/src/travis/windows-before-install.sh b/src/travis/windows-before-install.sh
index 7fa74358..1fe057b5 100755
--- a/src/travis/windows-before-install.sh
+++ b/src/travis/windows-before-install.sh
@@ -64,9 +64,9 @@ $pip install --upgrade -r src/requirements.txt
 # lots of malware uses PyInstaller default bootloader
 # https://stackoverflow.com/questions/53584395/how-to-recompile-the-bootloader-of-pyinstaller
 echo "Downloading PyInstaller..."
-wget --quiet https://github.com/pyinstaller/pyinstaller/archive/develop.tar.gz
-tar xf develop.tar.gz
-cd pyinstaller-develop/bootloader
+wget --quiet https://github.com/pyinstaller/pyinstaller/archive/$PYINSTALLER_COMMIT.tar.gz
+tar xf $PYINSTALLER_COMMIT.tar.gz
+cd pyinstaller-$PYINSTALLER_COMMIT/bootloader
 echo "bootloader before:"
 md5sum ../PyInstaller/bootloader/Windows-${BITS}bit/*