diff --git a/python-crypto/python-crypto.spec b/python-crypto/python-crypto.spec
index 5696141f3e..9927fa8142 100644
--- a/python-crypto/python-crypto.spec
+++ b/python-crypto/python-crypto.spec
@@ -29,11 +29,11 @@
 %define       V_pyasn1           0.6.1
 %define       V_pyasn1_modules   0.2.8
 %define       V_ndg_httpsclient  0.5.1
-%define       V_pynacl           1.5.0
+%define       V_pynacl           1.6.1
 %define       V_libnacl          2.1.0
 %define       V_service_identity 24.2.0
 %define       V_asn1crypto       1.5.1
-%define       V_certifi          2025.10.5
+%define       V_certifi          2025.11.12
 %define       V_passlib          1.7.4
 
 #   package information
@@ -47,7 +47,7 @@ Class:        BASE
 Group:        Language
 License:      GPL
 Version:      %{V_python}
-Release:      20251016
+Release:      20251229
 
 #   package options
 %option       with_libnacl      no
@@ -59,7 +59,7 @@ Source2:      https://files.pythonhosted.org/packages/source/c/cryptography/cryp
 Source3:      https://files.pythonhosted.org/packages/source/p/pyasn1/pyasn1-%{V_pyasn1}.tar.gz
 Source4:      https://files.pythonhosted.org/packages/source/p/pyasn1-modules/pyasn1-modules-%{V_pyasn1_modules}.tar.gz
 Source5:      https://files.pythonhosted.org/packages/source/n/ndg-httpsclient/ndg_httpsclient-%{V_ndg_httpsclient}.tar.gz
-Source6:      https://files.pythonhosted.org/packages/source/P/PyNaCl/PyNaCl-%{V_pynacl}.tar.gz
+Source6:      https://files.pythonhosted.org/packages/source/P/PyNaCl/pynacl-%{V_pynacl}.tar.gz
 Source7:      https://files.pythonhosted.org/packages/source/l/libnacl/libnacl-%{V_libnacl}.tar.gz
 Source8:      https://files.pythonhosted.org/packages/source/s/service_identity/service_identity-%{V_service_identity}.tar.gz
 Source9:      https://files.pythonhosted.org/packages/source/a/asn1crypto/asn1crypto-%{V_asn1crypto}.tar.gz
@@ -114,7 +114,7 @@ PreReq:       python::with_ctypes = yes
     prog python-crypto:PyNaCl = {
         version   = %{V_pynacl}
         url       = https://pypi.python.org/pypi/PyNaCl/
-        regex     = PyNaCl-(__VER__)\.tar\.gz
+        regex     = pynacl-(__VER__)\.tar\.gz
     }
     prog python-crypto:libnacl = {
         version   = %{V_libnacl}
@@ -204,11 +204,11 @@ PreReq:       python::with_ctypes = yes
           --root=$RPM_BUILD_ROOT \
           --prefix=%{l_prefix}
     ) || exit $?
-    ( cd PyNaCl-%{V_pynacl}
-      SODIUM_INSTALL=system \
+    ( cd pynacl-%{V_pynacl}
+      SODIUM_INSTALL=%{l_prefix} \
       %{l_prefix}/bin/python setup.py build_ext \
           %{l_cppflags} %{l_ldflags}
-      SODIUM_INSTALL=system \
+      SODIUM_INSTALL=%{l_prefix} \
       %{l_prefix}/bin/python setup.py install \
           --root=$RPM_BUILD_ROOT \
           --prefix=%{l_prefix}