diff --git a/contrib/build-wine/Dockerfile b/contrib/build-wine/Dockerfile
index 41916fcfb..9e66ee1fb 100644
--- a/contrib/build-wine/Dockerfile
+++ b/contrib/build-wine/Dockerfile
@@ -45,10 +45,10 @@ RUN wget -nc https://dl.winehq.org/wine-builds/Release.key && \
     apt-add-repository https://dl.winehq.org/wine-builds/ubuntu/ && \
     apt-get update -q && \
     apt-get install -qy \
-        wine-stable-amd64:amd64=6.0.0~focal-1 \
-        wine-stable-i386:i386=6.0.0~focal-1 \
-        wine-stable:amd64=6.0.0~focal-1 \
-        winehq-stable:amd64=6.0.0~focal-1 \
+        wine-stable-amd64:amd64=6.0.2~focal-1 \
+        wine-stable-i386:i386=6.0.2~focal-1 \
+        wine-stable:amd64=6.0.2~focal-1 \
+        winehq-stable:amd64=6.0.2~focal-1 \
         && \
     rm -rf /var/lib/apt/lists/* && \
     apt-get autoremove -y && \
diff --git a/contrib/build-wine/prepare-wine.sh b/contrib/build-wine/prepare-wine.sh
index f5e372973..79fded7e3 100755
--- a/contrib/build-wine/prepare-wine.sh
+++ b/contrib/build-wine/prepare-wine.sh
@@ -1,13 +1,13 @@
 #!/bin/bash
 
 # Please update these carefully, some versions won't work under Wine
-NSIS_FILENAME=nsis-3.05-setup.exe
-NSIS_URL=https://downloads.sourceforge.net/project/nsis/NSIS%203/3.05/$NSIS_FILENAME
-NSIS_SHA256=1a3cc9401667547b9b9327a177b13485f7c59c2303d4b6183e7bc9e6c8d6bfdb
+NSIS_FILENAME=nsis-3.08-setup.exe
+NSIS_URL=https://downloads.sourceforge.net/project/nsis/NSIS%203/3.08/$NSIS_FILENAME
+NSIS_SHA256=bbc76be36ecb2fc00d493c91befdaf71654226ad8a4fc4dc338458916bf224d0
 
-PYINSTALLER_REPO="https://github.com/SomberNight/pyinstaller.git"
-PYINSTALLER_COMMIT="80ee4d613ecf75a1226b960a560ee01459e65ddb"
-# ^ tag 4.2, plus a custom commit that fixes cross-compilation with MinGW
+PYINSTALLER_REPO="https://github.com/pyinstaller/pyinstaller.git"
+PYINSTALLER_COMMIT="6eae2c7cf93a968ddc054339e0cb3063f90d0e64"
+# ^ tag 4.6
 
 PYTHON_VERSION=3.9.7