diff --git a/.github/workflows/wheels.yml b/.github/workflows/wheels.yml
index 8fac063..eb2b310 100644
--- a/.github/workflows/wheels.yml
+++ b/.github/workflows/wheels.yml
@@ -21,6 +21,12 @@ jobs:
         run: pipx install cibuildwheel==2.22.0
       - id: set-matrix
         run: |
+          # Some notes on this:
+          # - macos-13 is a amd64 builder.
+          # - maxos-14 is the default builder which is arm64, probably because
+          #   it's more effecient.
+          # - We don't yet specifiy arm64 versions on linux, even though AWS
+          #   provides cheaper ec2 instaces running on arm64 cores. /FIXME
           MATRIX=$(
             {
               cibuildwheel --print-build-identifiers --platform linux \
diff --git a/pyproject.toml b/pyproject.toml
index 2f370b9..7f5caad 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,6 +15,13 @@ maintainers = [
 ]
 
 [tool.cibuildwheel]
+# Build all available c-python versions, for now.
+# Define a range of python version, going as far back as possiblem because
+# often the Phd-type developer that use tools like tmap don't update their tool
+# chains very often, supporting them means that they might better support
+# tmap's developement in the future.
+# This may change, and probably should.
+build = "cp3*"
 # Skip 32-bit builds, musl build, and pypy builds
 skip = ["*-manylinux_i686", "*-musllinux_*", "pp*", "*p36-*", "*p37-*", "*p38-*"]