diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 42edc4b65..35276ad62 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -74,6 +74,7 @@ jobs:
 
       - name: Install dependencies
         run: |
+          brew update
           brew install ninja qt@5 graphicsmagick imagemagick
           brew link qt@5
           yarn global add create-dmg
@@ -93,6 +94,7 @@ jobs:
 
   build-windows-msvc:
     name: Build Windows (MSVC x86_64)
+    if: 'false' # disabled due to memory constraints
     runs-on: windows-2019
     env:
       LLVM_VERSION: 10.0.1
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index dd9fe05a3..5a49422f7 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -102,6 +102,7 @@ jobs:
 
       - name: Install dependencies
         run: |
+          brew update
           brew install ninja qt@5 graphicsmagick imagemagick getsentry/tools/sentry-cli
           brew link qt@5
           yarn global add create-dmg