diff --git a/.github/workflows/test-build.yml b/.github/workflows/test-build.yml
index 0eb2c65c5..e5aed6af3 100644
--- a/.github/workflows/test-build.yml
+++ b/.github/workflows/test-build.yml
@@ -100,6 +100,16 @@ jobs:
           cd iverilog
           echo "IVERILOG_GIT=$(git rev-parse HEAD)" >> $GITHUB_ENV
 
+      - name: Get vcd2fst
+        shell: bash
+        run: |
+          git clone https://github.com/mmicko/libwave.git
+          mkdir -p ${{ github.workspace }}/.local/
+          cd libwave
+          cmake . -DCMAKE_INSTALL_PREFIX=${{ github.workspace }}/.local
+          make -j$procs
+          make install
+
       - name: Cache iverilog
         id: cache-iverilog
         uses: actions/cache@v4
diff --git a/Makefile b/Makefile
index f98bdc575..359ba6175 100644
--- a/Makefile
+++ b/Makefile
@@ -155,7 +155,7 @@ ifeq ($(OS), Haiku)
 CXXFLAGS += -D_DEFAULT_SOURCE
 endif
 
-YOSYS_VER := 0.45+145
+YOSYS_VER := 0.45+148
 
 # Note: We arrange for .gitcommit to contain the (short) commit hash in
 # tarballs generated with git-archive(1) using .gitattributes. The git repo