diff --git a/.github/workflows/pythonbuild.yml b/.github/workflows/pythonbuild.yml
index a4418df2fc..7f76107b64 100644
--- a/.github/workflows/pythonbuild.yml
+++ b/.github/workflows/pythonbuild.yml
@@ -408,12 +408,13 @@ jobs:
         run: |
           pip install uv
           # TODO: double-check if checking out all tags solves the issue
-          export SETUPTOOLS_SCM_PRETEND_VERSION="3.0.0"
+          export SETUPTOOLS_SCM_PRETEND_VERSION="1.999.999"
           make setup-global-uv
           cd plugins/${{ matrix.plugin-names }}
           uv pip install --system .
           if [ -f dev-requirements.in ]; then uv pip install --system -r dev-requirements.in; fi
           # TODO: move to protobuf>=5. Github issue: https://github.com/flyteorg/flyte/issues/5448
+          echo "Workspace: $GITHUB_WORKSPACE"
           uv pip install --system -U $GITHUB_WORKSPACE "protobuf<5" "git+https://github.com/flyteorg/flyte.git@master#subdirectory=flyteidl"
           # TODO: remove this when numpy v2 in onnx has been resolved
           if [[ ${{ matrix.plugin-names }} == *"onnx"* || ${{ matrix.plugin-names }} == "flytekit-sqlalchemy" || ${{ matrix.plugin-names }} == "flytekit-pandera" ]]; then
diff --git a/Dockerfile.dev b/Dockerfile.dev
index 1a839104e4..aaac1739d3 100644
--- a/Dockerfile.dev
+++ b/Dockerfile.dev
@@ -34,7 +34,7 @@ COPY . /flytekit
 
 # Use a future version of SETUPTOOLS_SCM_PRETEND_VERSION_FOR_FLYTEIDL such that uv resolution works.
 RUN SETUPTOOLS_SCM_PRETEND_VERSION_FOR_FLYTEKIT=$PSEUDO_VERSION \
-    SETUPTOOLS_SCM_PRETEND_VERSION_FOR_FLYTEIDL=3.0.0dev0 \
+    SETUPTOOLS_SCM_PRETEND_VERSION_FOR_FLYTEIDL=1.999.999dev0 \
         uv pip install --system --no-cache-dir -U \
             "git+https://github.com/flyteorg/flyte.git@master#subdirectory=flyteidl" \
             -e /flytekit \
diff --git a/pyproject.toml b/pyproject.toml
index 95dbb7dfac..7ed9400d37 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -20,7 +20,7 @@ dependencies = [
     "diskcache>=5.2.1",
     "docker>=4.0.0",
     "docstring-parser>=0.9.0",
-    "flyteidl>=1.15.4b0",
+    "flyteidl>=1.15.4b0,<2.0.0a0",
     "fsspec>=2023.3.0",
     # Bug in 2025.5.0, 2025.5.0post1 https://github.com/fsspec/gcsfs/issues/687
     # Bug in 2024.2.0 https://github.com/fsspec/gcsfs/pull/643