diff --git a/.github/workflows/make.yml b/.github/workflows/make.yml
index 63e6c24..f706fad 100644
--- a/.github/workflows/make.yml
+++ b/.github/workflows/make.yml
@@ -51,7 +51,7 @@ jobs:
           CXXFLAGS: "-std=c++14"
         run: |
             pip install "pypandoc<1.8"
-            curl https://raw.githubusercontent.com/capnproto/pycapnp/v0.6.4/requirements.txt | xargs pip install
+            curl https://raw.githubusercontent.com/capnproto/pycapnp/v0.6.4/requirements.txt | sed "s/ //g" | xargs pip install
             pip install --no-build-isolation "pycapnp<1"
       - name: Download xcvu3p.device (nxroute-poc only)
         if: matrix.router == 'nxroute-poc'