diff --git a/.github/workflows/linux_checks.yml b/.github/workflows/linux_checks.yml
index 92b7c855e..1a79cc270 100644
--- a/.github/workflows/linux_checks.yml
+++ b/.github/workflows/linux_checks.yml
@@ -17,11 +17,42 @@ jobs:
         uses: actions/setup-node@v1
         with:
           node-version: 12
-      - name: Run checks
+      - name: Set up ripgrep, pyaudio, gettext, rename
         run: |
-          # add requirements
           sudo apt update; sudo apt install portaudio19-dev gettext rename
           sudo snap install ripgrep --classic
-          export CARGO_TARGET_DIR=~/target
-          export RSPY_TARGET_DIR=~/target
-          make check build BUILDFLAGS=""
+      # Necessary for now for the cargo cache:
+      # https://github.com/actions/cache/issues/133#issuecomment-599102035
+      - name: Fix ~/.cargo directory permissions
+        run: sudo chown -R $(whoami):$(id -ng) ~/.cargo/
+      - name: Cache cargo registry
+        uses: actions/cache@v1
+        with:
+          path: ~/.cargo/registry
+          key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.toml') }}
+      - name: Cache cargo index
+        uses: actions/cache@v1
+        with:
+          path: ~/.cargo/git
+          key: ${{ runner.os }}-cargo-index-${{ hashFiles('**/Cargo.toml') }}
+      - name: Cache cargo build
+        uses: actions/cache@v1
+        with:
+          path: ~/target
+          key: ${{ runner.os }}-cargo-build-target-${{ hashFiles('**/Cargo.toml') }}
+      - name: Cache pip wheels
+        uses: actions/cache@v1
+        with:
+          path: ~/.cache/pip
+          key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
+      - name: Configure project variables
+        run: |
+          echo "::set-env name=BUILDFLAGS::"
+          echo "::set-env name=RSPY_TARGET_DIR::~/target"
+          echo "::set-env name=CARGO_TARGET_DIR::~/target"
+      - name: Run checks
+        run: |
+          make check 
+      - name: Run build
+        run: |
+          make build
diff --git a/.github/workflows/windows_checks.yml b/.github/workflows/windows_checks.yml
index e05d89404..8061092af 100644
--- a/.github/workflows/windows_checks.yml
+++ b/.github/workflows/windows_checks.yml
@@ -47,7 +47,7 @@ jobs:
           :: https://github.com/evandroforks/anki/runs/524857054?check_suite_focus=true
           :: 0 [main] pacman 748 dofork: child -1 - forked process 2896 died unexpectedly
           .\pacman --version
-          .\pacman -Sv --noconfirm --overwrite='*' bash 
+          .\pacman -Sv --noconfirm --overwrite='*' bash
           .\pacman -Sv --noconfirm --overwrite='*' rsync
       - name: Set up scoop, gettext, ripgrep
         shell: cmd
@@ -65,12 +65,37 @@ jobs:
         uses: actions/setup-node@v1
         with:
           node-version: 12
+      - name: Cache cargo registry
+        uses: actions/cache@v1
+        with:
+          path: C:\Rust\.cargo\registry
+          key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.toml') }}
+      - name: Cache cargo index
+        uses: actions/cache@v1
+        with:
+          path: C:\Rust\.cargo\git
+          key: ${{ runner.os }}-cargo-index-${{ hashFiles('**/Cargo.toml') }}
+      - name: Cache cargo build
+        uses: actions/cache@v1
+        with:
+          path: ~\target
+          key: ${{ runner.os }}-cargo-build-target-${{ hashFiles('**/Cargo.toml') }}
+      - name: Cache pip wheels
+        uses: actions/cache@v1
+        with:
+          path: ~\AppData\Local\pip\Cache
+          key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
+      - name: Configure project variables
+        run: |
+          echo "::set-env name=RSPY_TARGET_DIR::~\target"
+          echo "::set-env name=CARGO_TARGET_DIR::~\target"
       - name: Run checks
         shell: cmd
         run: |
           echo on
-          set "RSPY_TARGET_DIR=%GITHUB_WORKSPACE%\target"
-          set "CARGO_TARGET_DIR=%GITHUB_WORKSPACE%\target"
-          set "BUILDFLAGS="
-          :: set "SHELLFLAGS=-x"
-          make check build
+          make check BUILDFLAGS=""
+      - name: Run build
+        shell: cmd
+        run: |
+          echo on
+          make build BUILDFLAGS=""
diff --git a/Makefile b/Makefile
index 83325e02a..246a60c6c 100644
--- a/Makefile
+++ b/Makefile
@@ -181,3 +181,4 @@ push-i18n-ftl: pull-i18n
 .PHONY: push-i18n-po
 push-i18n-po: pull-i18n
 	(cd qt/po && scripts/upload-latest-template)
+