diff --git a/.gitea/workflows/sdk-release.yaml b/.gitea/workflows/sdk-release.yaml
index 7155f27..b9ce931 100644
--- a/.gitea/workflows/sdk-release.yaml
+++ b/.gitea/workflows/sdk-release.yaml
@@ -70,29 +70,25 @@ jobs:
           chmod +x dist/bin/elb
           echo "elb built"
 
-      # Build epm binary (epm lives at repo root, not inside lang/)
+      # Build epm binary using elb (epm lives at repo root, not inside lang/)
       - name: Build epm
         run: |
-          dist/platform/elc ../epm/src/epm.el > dist/epm.c
-          gcc -O2 \
-            -I el-compiler/runtime \
-            dist/epm.c \
-            el-compiler/runtime/el_runtime.c \
-            -lcurl -lssl -lcrypto -lpthread -lm \
-            -o dist/bin/epm
+          ABS_ELB="$(pwd)/dist/bin/elb"
+          ABS_ELC="$(pwd)/dist/platform/elc"
+          ABS_RUNTIME="$(pwd)/el-compiler/runtime"
+          ABS_OUT="$(pwd)/dist/bin"
+          (cd ../epm && "$ABS_ELB" --elc="$ABS_ELC" --runtime="$ABS_RUNTIME" --out="$ABS_OUT")
           chmod +x dist/bin/epm
           echo "epm built"
 
-      # Build el-install binary
+      # Build el-install binary using elb
       - name: Build el-install
         run: |
-          dist/platform/elc tools/install/el-install.el > dist/el-install.c
-          gcc -O2 \
-            -I el-compiler/runtime \
-            dist/el-install.c \
-            el-compiler/runtime/el_runtime.c \
-            -lcurl -lssl -lcrypto -lpthread -lm \
-            -o dist/bin/el-install
+          ABS_ELB="$(pwd)/dist/bin/elb"
+          ABS_ELC="$(pwd)/dist/platform/elc"
+          ABS_RUNTIME="$(pwd)/el-compiler/runtime"
+          ABS_OUT="$(pwd)/dist/bin"
+          (cd tools/install && "$ABS_ELB" --elc="$ABS_ELC" --runtime="$ABS_RUNTIME" --out="$ABS_OUT")
           chmod +x dist/bin/el-install
           echo "el-install built"