diff --git a/gnu/packages/astronomy.scm b/gnu/packages/astronomy.scm
index bb4e89f1619..71b4c3873b2 100644
--- a/gnu/packages/astronomy.scm
+++ b/gnu/packages/astronomy.scm
@@ -7858,7 +7858,7 @@ and the Generalized Lomb-Scargle periodogram
     (build-system pyproject-build-system)
     (native-inputs
      (list cmake-minimal
-           pybind11-2
+           pybind11
            python-pandas
            python-pytest
            python-scipy