diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index c961e8c8..a79965a1 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -34,42 +34,14 @@ jobs:
     - name: Setup Python Environment
       run: |
         # 순수 Python 패키지만 설치 (numpy/pandas 제외 — ARMv7l 휠 없음)
-        VENV_BASE=$HOME/python_venv
-        REQ_HASH=$(md5sum tools/validate_specs.py 2>/dev/null | cut -d' ' -f1 || echo "default")
-        VENV="$VENV_BASE/$REQ_HASH"
-
-        if [ ! -f "$VENV/bin/python" ]; then
-          echo "=== venv 신규 생성: $REQ_HASH ==="
-          mkdir -p "$VENV_BASE"
-          /usr/bin/python3 --version
-          /usr/bin/python3 -m venv "$VENV" || {
-            echo "venv creation failed; attempting ensurepip recovery"
-            /usr/bin/python3 -m ensurepip --upgrade
-            /usr/bin/python3 -m venv "$VENV"
-          }
-
-          # The runner may provide a venv without pip. Bootstrap with the
-          # active interpreter instead of a version-specific get-pip URL.
-          if [ ! -f "$VENV/bin/pip" ]; then
-            echo "pip missing in venv, bootstrapping with ensurepip..."
-            "$VENV/bin/python" -m ensurepip --upgrade
-          fi
-
-          "$VENV/bin/pip" install --upgrade pip --quiet
-          "$VENV/bin/pip" install requests pyyaml openpyxl --quiet
-
-          # 오래된 venv 정리 (최근 2개만 유지)
-          ls -dt "$VENV_BASE"/*/ 2>/dev/null | tail -n +3 | xargs rm -rf 2>/dev/null || true
-        else
-          echo "=== venv 캐시 히트: $("$VENV/bin/python" --version 2>&1) ==="
-          "$VENV/bin/python" - <<'PY'
-          import importlib
-          for mod in ("requests", "yaml", "openpyxl"):
-              importlib.import_module(mod)
-          print("venv dependency import check: PASS")
-          PY
-        fi
-        echo "$VENV/bin" >> $GITHUB_PATH
+        PYTHON_DEPS="$HOME/python_deps/$(md5sum tools/validate_specs.py | cut -d' ' -f1)"
+        mkdir -p "$PYTHON_DEPS"
+        /usr/bin/python3 --version
+        /usr/bin/python3 -m pip --version
+        /usr/bin/python3 -m pip install --disable-pip-version-check --quiet \
+          --target "$PYTHON_DEPS" requests pyyaml openpyxl
+        echo "PYTHONPATH=$PYTHON_DEPS:${PYTHONPATH:-}" >> "$GITHUB_ENV"
+        /usr/bin/python3 -c 'import requests, yaml, openpyxl; print("Python dependencies: PASS")'
 
     - name: Install Node Dependencies
       run: |
@@ -236,28 +208,14 @@ jobs:
 
     - name: Setup Python Environment
       run: |
-        VENV_BASE=$HOME/python_venv
-        REQ_HASH=$(md5sum tools/validate_snapshot_admin_web_v1.py 2>/dev/null | cut -d' ' -f1 || echo "default")
-        VENV="$VENV_BASE/$REQ_HASH"
-
-        if [ ! -f "$VENV/bin/python" ]; then
-          echo "=== venv 신규 생성: $REQ_HASH ==="
-          mkdir -p "$VENV_BASE"
-          /usr/bin/python3 -m venv "$VENV"
-
-          if [ ! -f "$VENV/bin/pip" ]; then
-            echo "pip missing in venv, installing via get-pip.py..."
-            curl -sS https://bootstrap.pypa.io/pip/3.8/get-pip.py -o get-pip.py
-            "$VENV/bin/python" get-pip.py --quiet
-            rm get-pip.py
-          fi
-
-          "$VENV/bin/pip" install --upgrade pip --quiet
-          "$VENV/bin/pip" install requests pyyaml openpyxl --quiet
-        else
-          echo "=== venv 캐시 히트: $("$VENV/bin/python" --version 2>&1) ==="
-        fi
-        echo "$VENV/bin" >> $GITHUB_PATH
+        PYTHON_DEPS="$HOME/python_deps/$(md5sum tools/validate_snapshot_admin_web_v1.py | cut -d' ' -f1)"
+        mkdir -p "$PYTHON_DEPS"
+        /usr/bin/python3 --version
+        /usr/bin/python3 -m pip --version
+        /usr/bin/python3 -m pip install --disable-pip-version-check --quiet \
+          --target "$PYTHON_DEPS" requests pyyaml openpyxl
+        echo "PYTHONPATH=$PYTHON_DEPS:${PYTHONPATH:-}" >> "$GITHUB_ENV"
+        /usr/bin/python3 -c 'import requests, yaml, openpyxl; print("Python dependencies: PASS")'
 
     - name: Validate Snapshot Admin Web UI
       if: needs.validate-core.result == 'success'