diff --git a/cadabra2-2.4.5.4.tar.gz b/cadabra2-2.4.5.4.tar.gz
deleted file mode 100644
index b30203f..0000000
--- a/cadabra2-2.4.5.4.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:ed60935e67e77de2c7e4ed2655aaa764cdeb194db4693dbb77c01fb3945b273e
-size 26825874
diff --git a/cadabra2-2.4.5.6.tar.gz b/cadabra2-2.4.5.6.tar.gz
new file mode 100644
index 0000000..1f46441
--- /dev/null
+++ b/cadabra2-2.4.5.6.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9a3ebe3debd6efdd5f20a3c78acc2ef8933135d5f43da39b6ea107be94a9413c
+size 26827151
diff --git a/cadabra2-link-python.patch b/cadabra2-link-python.patch
index eb53c34..fec8e89 100644
--- a/cadabra2-link-python.patch
+++ b/cadabra2-link-python.patch
@@ -1,7 +1,7 @@
-Index: cadabra2-2.4.5.4/core/CMakeLists.txt
+Index: cadabra2-2.4.5.6/core/CMakeLists.txt
 ===================================================================
---- cadabra2-2.4.5.4.orig/core/CMakeLists.txt
-+++ cadabra2-2.4.5.4/core/CMakeLists.txt
+--- cadabra2-2.4.5.6.orig/core/CMakeLists.txt
++++ cadabra2-2.4.5.6/core/CMakeLists.txt
 @@ -294,7 +294,7 @@ target_link_libraries(cadabra2 PRIVATE
     ${GMPXX_LIBRARIES}
     ${GMP_LIBRARIES}   
@@ -11,10 +11,10 @@ Index: cadabra2-2.4.5.4/core/CMakeLists.txt
  #  ${GLIBMM3_LIBRARIES}    
     )
  
-Index: cadabra2-2.4.5.4/core/packages/CMakeLists.txt
+Index: cadabra2-2.4.5.6/core/packages/CMakeLists.txt
 ===================================================================
---- cadabra2-2.4.5.4.orig/core/packages/CMakeLists.txt
-+++ cadabra2-2.4.5.4/core/packages/CMakeLists.txt
+--- cadabra2-2.4.5.6.orig/core/packages/CMakeLists.txt
++++ cadabra2-2.4.5.6/core/packages/CMakeLists.txt
 @@ -66,8 +66,7 @@ foreach(PACKAGE ${COMPILED_PACKAGES})
    set_target_properties(${PNAME} PROPERTIES RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/cdb/${PINSTALL}")
    set_target_properties(${PNAME} PROPERTIES LIBRARY_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/cdb/${PINSTALL}")
@@ -23,5 +23,5 @@ Index: cadabra2-2.4.5.4/core/packages/CMakeLists.txt
 -  target_link_libraries(${PNAME} PUBLIC cadabra2 ${GMPXX_LIBRARIES})
 +  target_link_libraries(${PNAME} PUBLIC cadabra2 ${PYTHON_LIBRARIES} ${GMPXX_LIBRARIES} ${GMP_LIBRARIES})
    target_include_directories(${PNAME} PUBLIC ${CADABRA_CORE_DIR})
-   install(TARGETS ${PNAME} DESTINATION ${PYTHON_CDB_PACKAGE_PATH}/${PINSTALL})
- endforeach()
+ 
+   if(IPO_SUPPORTED)
diff --git a/cadabra2.changes b/cadabra2.changes
index fe74b23..dc58cc1 100644
--- a/cadabra2.changes
+++ b/cadabra2.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Thu Apr 18 19:37:14 UTC 2024 - Atri Bhattacharya <badshah400@gmail.com>
+
+- Update to version 2.4.5.6:
+  * Allow setting PYTHON_SITE_PATH manually.
+
 -------------------------------------------------------------------
 Thu Jan 25 18:20:58 UTC 2024 - Atri Bhattacharya <badshah400@gmail.com>
 
diff --git a/cadabra2.spec b/cadabra2.spec
index d28a511..984ae7f 100644
--- a/cadabra2.spec
+++ b/cadabra2.spec
@@ -18,7 +18,7 @@
 
 %bcond_without tests
 Name:           cadabra2
-Version:        2.4.5.4
+Version:        2.4.5.6
 Release:        0
 Summary:        A computer algebra system for solving problems in field theory
 License:        GPL-3.0-or-later
@@ -46,7 +46,7 @@ BuildRequires:  libboost_system-devel
 BuildRequires:  libuuid-devel
 BuildRequires:  pcre-devel
 BuildRequires:  pkgconfig
-BuildRequires:  python3-devel >= 3.8
+BuildRequires:  python3-devel >= 3.9
 BuildRequires:  python3-gobject-devel
 BuildRequires:  python3-ipykernel
 BuildRequires:  python3-matplotlib
@@ -171,7 +171,7 @@ cd ..
 install -D -m0644 %{S:1} %{buildroot}%{_datadir}/metainfo/%{name}-gtk.appdata.xml
 
 # Replace "/usr/bin/env python3" hashbang by "/usr/bin/python3"
-sed -E -i "s|^#!/usr/bin/env python3|#!/usr/bin/python3|" %{buildroot}%{_bindir}/cadabra2
+%python3_fix_shebang
 
 mkdir -p %{buildroot}%{_datadir}/texmf/tex/latex/cadabra2/
 ln %{buildroot}%{_datadir}/cadabra2/latex/* %{buildroot}%{_datadir}/texmf/tex/latex/cadabra2/