diff --git a/build/pkgs/configure/checksums.ini b/build/pkgs/configure/checksums.ini
index 9e771da370e..ff4ba21465f 100644
--- a/build/pkgs/configure/checksums.ini
+++ b/build/pkgs/configure/checksums.ini
@@ -1,4 +1,4 @@
 tarball=configure-VERSION.tar.gz
-sha1=84c8bfc8a84399d50eac5f0e75672da0e36216ae
-md5=1171b0a7cd69002c426fb7b48e9026e4
-cksum=2998629640
+sha1=6517328415e972b571db0ef97c780ae45bb90745
+md5=671ce9d8afcf9ad5faa6a918d7ab2829
+cksum=2336342933
diff --git a/build/pkgs/configure/package-version.txt b/build/pkgs/configure/package-version.txt
index 14d9ba1a4be..1733322a267 100644
--- a/build/pkgs/configure/package-version.txt
+++ b/build/pkgs/configure/package-version.txt
@@ -1 +1 @@
-128d437fcc7f3917b314662fdee34aeaab968b67
+8dd853eddb146b36c5ce10362ac9b4ca5faf622b
diff --git a/src/sage/misc/package_dir.py b/src/sage/misc/package_dir.py
index 7d0e14cf799..16c78d18462 100644
--- a/src/sage/misc/package_dir.py
+++ b/src/sage/misc/package_dir.py
@@ -118,8 +118,7 @@ def read_distribution(src_file):
         sage: read_distribution(os.path.join(SAGE_SRC, 'sage', 'graphs', 'graph_decompositions', 'modular_decomposition.py'))
         ''
     """
-    from Cython.Utils import open_source_file
-    with open_source_file(src_file, error_handling='ignore') as fh:
+    with open(src_file, encoding='utf-8', errors='ignore') as fh:
         for line in fh:
             # Adapted from Cython's Build/Dependencies.py
             line = line.lstrip()