diff --git a/cmake/toolchain/heptools-dev-base.cmake b/cmake/toolchain/heptools-dev-base.cmake
index 87012f3914ac5bdc621b9b6fc15ec0ab109485d7..dba91d3aef65c1805703991bcf0018cd87045357 100644
--- a/cmake/toolchain/heptools-dev-base.cmake
+++ b/cmake/toolchain/heptools-dev-base.cmake
@@ -57,7 +57,7 @@ LCG_external_package(bleach            3.3.1
 LCG_external_package(brotli            1.0.7                                    )
 LCG_external_package(bzip2             1.0.6                                    )
 LCG_external_package(bokeh             2.3.1                                    )
-LCG_external_package(Boost             1.77.0                                   )
+LCG_external_package(Boost             1.78.0                                   )
 LCG_external_package(boost_histogram   1.2.1                                    )
 LCG_external_package(boto3	       1.18.37					)
 LCG_external_package(botocore	       1.21.37					)