diff --git a/gnu/packages/python-science.scm b/gnu/packages/python-science.scm
index d571dd8406..e2a0fb3a95 100644
--- a/gnu/packages/python-science.scm
+++ b/gnu/packages/python-science.scm
@@ -835,7 +835,7 @@ of Pandas
 (define-public python-pingouin
   (package
     (name "python-pingouin")
-    (version "0.5.1")
+    (version "0.5.2")
     (source
      ;; The PyPI tarball does not contain the tests.
      (origin
@@ -846,7 +846,7 @@ of Pandas
        (file-name (git-file-name name version))
        (sha256
         (base32
-         "10v3mwcmyc7rd2957cbmfcw66yw2y0fz7zcfyx46q8slbmd1d8d4"))))
+         "0czy7cpn6xx9fs6wbz6rq2lpkb1a89bzxj1anf2f9in1m5qyrh83"))))
     (build-system python-build-system)
     (arguments
      `(#:phases
@@ -857,7 +857,7 @@ of Pandas
          (add-after 'unpack 'remove-outdated-check
            (lambda _
              (substitute* "setup.py"
-               (("'outdated',") ""))
+               (("\"outdated\",") ""))
              (substitute* "pingouin/__init__.py"
                (("^from outdated[^\n]*") "")
                (("^warn_if_outdated[^\n]*") ""))))