diff --git a/0001-Fix-compatibility-with-Python-3.10.patch b/0001-Fix-compatibility-with-Python-3.10.patch
new file mode 100644
index 0000000..0ee28f0
--- /dev/null
+++ b/0001-Fix-compatibility-with-Python-3.10.patch
@@ -0,0 +1,37 @@
+From cbf668383d83f29dd9e61ca224c242b2db337663 Mon Sep 17 00:00:00 2001
+From: Igor Raits <igor.raits@gmail.com>
+Date: Sun, 18 Jul 2021 18:47:05 +0200
+Subject: [PATCH] Fix compatibility with Python 3.10
+
+Fixes: https://github.com/openSUSE/libsolv/issues/461
+Signed-off-by: Igor Raits <igor.raits@gmail.com>
+---
+ bindings/solv.i | 8 +++++++-
+ 1 file changed, 7 insertions(+), 1 deletion(-)
+
+diff --git a/bindings/solv.i b/bindings/solv.i
+index 3bbeca04..abfb5e15 100644
+--- a/bindings/solv.i
++++ b/bindings/solv.i
+@@ -10,6 +10,12 @@
+ %markfunc Pool "mark_Pool";
+ #endif
+ 
++#ifdef SWIGPYTHON
++%begin %{
++#define PY_SSIZE_T_CLEAN
++%}
++#endif
++
+ /**
+  ** binaryblob handling
+  **/
+@@ -69,7 +75,7 @@ typedef struct {
+ 
+ %typemap(out,noblock=1,fragment="SWIG_FromCharPtrAndSize") BinaryBlob {
+ #if defined(SWIGPYTHON) && defined(PYTHON3)
+-  $result = $1.data ? Py_BuildValue("y#", $1.data, $1.len) : SWIG_Py_Void();
++  $result = $1.data ? Py_BuildValue("y#", $1.data, (Py_ssize_t)$1.len) : SWIG_Py_Void();
+ #elif defined(SWIGTCL)
+   Tcl_SetObjResult(interp, $1.data ? Tcl_NewByteArrayObj($1.data, $1.len) : NULL);
+ #else
diff --git a/libsolv.spec b/libsolv.spec
index 3f5b07a..ce3b07d 100644
--- a/libsolv.spec
+++ b/libsolv.spec
@@ -29,6 +29,7 @@ Summary:        Package dependency solver
 License:        BSD
 URL:            https://github.com/openSUSE/libsolv
 Source:         %{url}/archive/%{version}/%{name}-%{version}.tar.gz
+Patch0001:      https://github.com/openSUSE/libsolv/pull/462.patch#/0001-Fix-compatibility-with-Python-3.10.patch
 
 BuildRequires:  cmake
 BuildRequires:  gcc-c++