diff --git a/cmake/toolchain/heptools-dev-base.cmake b/cmake/toolchain/heptools-dev-base.cmake
index e93b021b942ed7afdf6555bd3dda17b2f546e12f..ef03bd561833707f0f8e94d622d93e2645b8394f 100644
--- a/cmake/toolchain/heptools-dev-base.cmake
+++ b/cmake/toolchain/heptools-dev-base.cmake
@@ -638,7 +638,7 @@ LCG_external_package(pycodestyle       2.12.1
 LCG_external_package(pycparser         2.22                                     )
 LCG_external_package(pycpuinfo         9.0.0                                    )
 LCG_external_package(pyct              0.4.6                                    )
-LCG_external_package(pydantic          2.10.6                                   )
+LCG_external_package(pydantic          2.11.0                                   )
 LCG_external_package(pydantic_core     2.27.2                                   )
 LCG_external_package(pydigitalwavetools 1.1                                     )
 LCG_external_package(pydot             1.4.1                                    )