diff --git a/CMakeLists.txt b/CMakeLists.txt
index dbf61ad1c..1ee83ba12 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -11,7 +11,7 @@
 cmake_minimum_required(VERSION 3.28)
 cmake_policy(VERSION 3.28)
 
-project(GRIDDYN VERSION 0.11.2)
+project(GRIDDYN VERSION 0.11.3)
 
 if(NOT CMAKE_SIZEOF_VOID_P EQUAL 8)
     message(FATAL_ERROR "GridDyn requires a 64-bit target platform")
diff --git a/pyproject.toml b/pyproject.toml
index 583c7401e..9032d64b7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "scikit_build_core.build"
 
 [project]
 name = "griddyn"
-version = "0.11.2"
+version = "0.11.3"
 description = "Python bindings for GridDyn"
 readme = "README.md"
 requires-python = ">=3.13"
@@ -43,6 +43,39 @@ test = ["pytest"]
 # Protect the configuration against future changes in scikit-build-core
 minimum-version = "build-system.requires"
 
+sdist.exclude = [
+    "**/doc/**",
+    "**/docs/**",
+    "**/Doc/**",
+    "**/Docs/**",
+    "ThirdParty/sundials/test/**",
+    "ThirdParty/suitesparse-cmake/SuiteSparse/CSparse/**",
+    "ThirdParty/suitesparse-cmake/SuiteSparse/Example/**",
+    "ThirdParty/suitesparse-cmake/SuiteSparse/GraphBLAS/**",
+    "ThirdParty/suitesparse-cmake/SuiteSparse/LAGraph/**",
+    "ThirdParty/suitesparse-cmake/SuiteSparse/MATLAB_Tools/**",
+    "ThirdParty/suitesparse-cmake/SuiteSparse/Mongoose/**",
+    "ThirdParty/suitesparse-cmake/SuiteSparse/ParU/**",
+    "ThirdParty/suitesparse-cmake/SuiteSparse/RBio/**",
+    "ThirdParty/suitesparse-cmake/SuiteSparse/SPEX/**",
+    "ThirdParty/suitesparse-cmake/SuiteSparse/TestConfig/**",
+    "ThirdParty/suitesparse-cmake/SuiteSparse/bin/**",
+    "ThirdParty/suitesparse-cmake/SuiteSparse/include/**",
+    "ThirdParty/suitesparse-cmake/SuiteSparse/lib/**",
+    "ThirdParty/suitesparse-cmake/SuiteSparse/ssget/**",
+    "ThirdParty/networking/ThirdParty/asio/asio/src/tests/**",
+    "ThirdParty/networking/ThirdParty/NetIF/tests/**",
+    "ThirdParty/networking/ThirdParty/nlohmann_json/tests/**",
+    "ThirdParty/units/test/**",
+    "ThirdParty/yaml-cpp/test/**",
+    "test/test_files/validation_tests/**",
+    "test/test_files/fmi_export_tests/**",
+]
+
+sdist.include = [
+    "ThirdParty/Zlib/zlib-1.3.2/zconf.h",
+]
+
 # Setuptools-style build caching in a local directory
 build-dir = "build/{wheel_tag}"