diff --git a/.github/workflows/dev-build.yml b/.github/workflows/dev-build.yml
index ae822103de..f6443025b0 100644
--- a/.github/workflows/dev-build.yml
+++ b/.github/workflows/dev-build.yml
@@ -53,7 +53,7 @@ jobs:
         run: |
           rm -f ./MM_VERSION
           echo $COMMIT_HASH > ./MM_VERSION
-          rm -rf ~/.cargo/git/checkouts/librustzcash*
+          cargo update -p zcash_client_backend
           cargo build --release
 
       - name: Compress mm2 build output
@@ -127,7 +127,7 @@ jobs:
         run: |
           rm -f ./MM_VERSION
           echo $COMMIT_HASH > ./MM_VERSION
-          rm -rf ~/.cargo/git/checkouts/librustzcash*
+          cargo update -p zcash_client_backend
           cargo build --release --target x86_64-apple-darwin
 
       - name: Compress mm2 build output
@@ -189,7 +189,7 @@ jobs:
         run: |
           rm -f ./MM_VERSION
           echo $COMMIT_HASH > ./MM_VERSION
-          rm -rf ~/.cargo/git/checkouts/librustzcash*
+          cargo update -p zcash_client_backend
           cargo build --release --target aarch64-apple-darwin
 
       - name: Compress mm2 build output
@@ -252,7 +252,7 @@ jobs:
             remove-item "./MM_VERSION"
           }
           echo $Env:COMMIT_HASH > ./MM_VERSION
-          Remove-Item -Recurse -Force "$env:USERPROFILE\.cargo\git\checkouts\librustzcash*"
+          cargo update -p zcash_client_backend
           cargo build --release
 
       - name: Compress mm2 build output
@@ -314,7 +314,7 @@ jobs:
         run: |
           rm -f ./MM_VERSION
           echo $COMMIT_HASH > ./MM_VERSION
-          rm -rf ~/.cargo/git/checkouts/librustzcash*
+          cargo update -p zcash_client_backend
           cargo rustc --target x86_64-apple-darwin --lib --release --package mm2_bin_lib --crate-type=staticlib
 
       - name: Compress mm2 build output
@@ -390,7 +390,7 @@ jobs:
         run: |
           rm -f ./MM_VERSION
           echo $COMMIT_HASH > ./MM_VERSION
-          rm -rf ~/.cargo/git/checkouts/librustzcash*
+          cargo update -p zcash_client_backend
           wasm-pack build --release mm2src/mm2_bin_lib --target web --out-dir ../../target/target-wasm-release
 
       - name: Compress build output
@@ -443,7 +443,7 @@ jobs:
         run: |
           rm -f ./MM_VERSION
           echo $COMMIT_HASH > ./MM_VERSION
-          rm -rf ~/.cargo/git/checkouts/librustzcash*
+          cargo update -p zcash_client_backend
           cargo rustc --target aarch64-apple-ios --lib --release --package mm2_bin_lib --crate-type=staticlib
 
       - name: Compress mm2 build output
@@ -519,7 +519,7 @@ jobs:
         run: |
           rm -f ./MM_VERSION
           echo $COMMIT_HASH > ./MM_VERSION
-          rm -rf ~/.cargo/git/checkouts/librustzcash*
+          cargo update -p zcash_client_backend
 
           export PATH=$PATH:/android-ndk/bin
           CC_aarch64_linux_android=aarch64-linux-android21-clang CARGO_TARGET_AARCH64_LINUX_ANDROID_LINKER=aarch64-linux-android21-clang cargo rustc --target=aarch64-linux-android --lib --release --crate-type=staticlib --package mm2_bin_lib
@@ -597,7 +597,7 @@ jobs:
         run: |
           rm -f ./MM_VERSION
           echo $COMMIT_HASH > ./MM_VERSION
-          rm -rf ~/.cargo/git/checkouts/librustzcash*
+          cargo update -p zcash_client_backend
 
           export PATH=$PATH:/android-ndk/bin
           CC_armv7_linux_androideabi=armv7a-linux-androideabi21-clang CARGO_TARGET_ARMV7_LINUX_ANDROIDEABI_LINKER=armv7a-linux-androideabi21-clang cargo rustc --target=armv7-linux-androideabi --lib --release --crate-type=staticlib --package mm2_bin_lib
diff --git a/.github/workflows/fmt-and-lint.yml b/.github/workflows/fmt-and-lint.yml
index f5ea217eee..bf23e1f3f5 100644
--- a/.github/workflows/fmt-and-lint.yml
+++ b/.github/workflows/fmt-and-lint.yml
@@ -35,7 +35,9 @@ jobs:
         run: cargo fmt -- --check
 
       - name: clippy lint
-        run: cargo clippy --all-targets --all-features -- --D warnings
+        run: |
+          cargo update -p zcash_client_backend
+          cargo clippy --all-targets --all-features -- --D warnings
 
   wasm-lint:
     name: Wasm Lint Checks
@@ -58,4 +60,6 @@ jobs:
         uses: ./.github/actions/cargo-cache
 
       - name: clippy lint
-        run: cargo clippy --target wasm32-unknown-unknown -- --D warnings
+        run: |
+          cargo update -p zcash_client_backend
+          cargo clippy --target wasm32-unknown-unknown -- --D warnings
diff --git a/.github/workflows/release-build.yml b/.github/workflows/release-build.yml
index d5cc4e24f8..f2d1f0e13e 100644
--- a/.github/workflows/release-build.yml
+++ b/.github/workflows/release-build.yml
@@ -53,7 +53,7 @@ jobs:
         run: |
           rm -f ./MM_VERSION
           echo $COMMIT_HASH > ./MM_VERSION
-          rm -rf ~/.cargo/git/checkouts/librustzcash*
+          cargo update -p zcash_client_backend
           cargo build --release
 
       - name: Compress mm2 build output
@@ -118,7 +118,7 @@ jobs:
         run: |
           rm -f ./MM_VERSION
           echo $COMMIT_HASH > ./MM_VERSION
-          rm -rf ~/.cargo/git/checkouts/librustzcash*
+          cargo update -p zcash_client_backend
           cargo build --release --target x86_64-apple-darwin
 
       - name: Compress mm2 build output
@@ -174,7 +174,7 @@ jobs:
         run: |
           rm -f ./MM_VERSION
           echo $COMMIT_HASH > ./MM_VERSION
-          rm -rf ~/.cargo/git/checkouts/librustzcash*
+          cargo update -p zcash_client_backend
           cargo build --release --target aarch64-apple-darwin
 
       - name: Compress mm2 build output
@@ -286,7 +286,7 @@ jobs:
         run: |
           rm -f ./MM_VERSION
           echo $COMMIT_HASH > ./MM_VERSION
-          rm -rf ~/.cargo/git/checkouts/librustzcash*
+          cargo update -p zcash_client_backend
           cargo rustc --target x86_64-apple-darwin --lib --release --package mm2_bin_lib --crate-type=staticlib
 
       - name: Compress mm2 build output
@@ -356,7 +356,7 @@ jobs:
         run: |
           rm -f ./MM_VERSION
           echo $COMMIT_HASH > ./MM_VERSION
-          rm -rf ~/.cargo/git/checkouts/librustzcash*
+          cargo update -p zcash_client_backend
           wasm-pack build --release mm2src/mm2_bin_lib --target web --out-dir ../../target/target-wasm-release
 
       - name: Compress build output
@@ -406,7 +406,7 @@ jobs:
         run: |
           rm -f ./MM_VERSION
           echo $COMMIT_HASH > ./MM_VERSION
-          rm -rf ~/.cargo/git/checkouts/librustzcash*
+          cargo update -p zcash_client_backend
           cargo rustc --target aarch64-apple-ios --lib --release --package mm2_bin_lib --crate-type=staticlib
 
       - name: Compress mm2 build output
@@ -476,7 +476,8 @@ jobs:
         run: |
           rm -f ./MM_VERSION
           echo $COMMIT_HASH > ./MM_VERSION
-          rm -rf ~/.cargo/git/checkouts/librustzcash*
+          cargo update -p zcash_client_backend
+
           export PATH=$PATH:/android-ndk/bin
           CC_aarch64_linux_android=aarch64-linux-android21-clang CARGO_TARGET_AARCH64_LINUX_ANDROID_LINKER=aarch64-linux-android21-clang cargo rustc --target=aarch64-linux-android --lib --release --crate-type=staticlib --package mm2_bin_lib
 
@@ -547,7 +548,7 @@ jobs:
         run: |
           rm -f ./MM_VERSION
           echo $COMMIT_HASH > ./MM_VERSION
-          rm -rf ~/.cargo/git/checkouts/librustzcash*
+          cargo update -p zcash_client_backend
 
           export PATH=$PATH:/android-ndk/bin
           CC_armv7_linux_androideabi=armv7a-linux-androideabi21-clang CARGO_TARGET_ARMV7_LINUX_ANDROIDEABI_LINKER=armv7a-linux-androideabi21-clang cargo rustc --target=armv7-linux-androideabi --lib --release --crate-type=staticlib --package mm2_bin_lib
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 84776339d5..5e066e527e 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -38,7 +38,7 @@ jobs:
 
       - name: Test
         run: |
-          rm -rf ~/.cargo/git/checkouts/librustzcash*
+          cargo update -p zcash_client_backend
           cargo test --bins --lib --no-fail-fast
 
   mac-x86-64-unit:
@@ -67,7 +67,7 @@ jobs:
 
       - name: Test
         run: |
-          rm -rf ~/.cargo/git/checkouts/librustzcash*
+          cargo update -p zcash_client_backend
           cargo test --bins --lib --no-fail-fast
 
   win-x86-64-unit:
@@ -126,7 +126,7 @@ jobs:
       - name: Test
         run: |
           wget -O - https://raw.githubusercontent.com/KomodoPlatform/komodo/0adeeabdd484ef40539d1275c6a765f5c530ea79/zcutil/fetch-params-alt.sh | bash
-          rm -rf ~/.cargo/git/checkouts/librustzcash*
+          cargo update -p zcash_client_backend
           cargo test --test 'mm2_tests_main' --no-fail-fast
 
   mac-x86-64-kdf-integration:
@@ -159,7 +159,7 @@ jobs:
       - name: Test
         run: |
           wget -O - https://raw.githubusercontent.com/KomodoPlatform/komodo/0adeeabdd484ef40539d1275c6a765f5c530ea79/zcutil/fetch-params-alt.sh | bash
-          rm -rf ~/.cargo/git/checkouts/librustzcash*
+          cargo update -p zcash_client_backend
           cargo test --test 'mm2_tests_main' --no-fail-fast
 
   win-x86-64-kdf-integration:
@@ -225,7 +225,7 @@ jobs:
       - name: Test
         run: |
           wget -O - https://raw.githubusercontent.com/KomodoPlatform/komodo/v0.8.1//zcutil/fetch-params-alt.sh | bash
-          rm -rf ~/.cargo/git/checkouts/librustzcash*
+          cargo update -p zcash_client_backend
           cargo test --test 'docker_tests_main' --features run-docker-tests --no-fail-fast
 
   wasm: