diff --git a/pkgs/applications/science/chemistry/openmolcas/default.nix b/pkgs/applications/science/chemistry/openmolcas/default.nix
index d500e78b2482..76192e4d4de9 100644
--- a/pkgs/applications/science/chemistry/openmolcas/default.nix
+++ b/pkgs/applications/science/chemistry/openmolcas/default.nix
@@ -15,6 +15,7 @@
 , gsl
 , boost180
 , autoPatchelfHook
+, enableQcmaquis ? false
   # Note that the CASPT2 module is broken with MPI
   # See https://gitlab.com/Molcas/OpenMolcas/-/issues/169
 , enableMpi ? false
@@ -24,14 +25,15 @@
 
 assert blas-ilp64.isILP64;
 assert lib.elem blas-ilp64.passthru.implementation [ "openblas" "mkl" ];
+assert enableQcmaquis -> lib.elem blas-ilp64.passthru.implementation "mkl";
 
 let
   python = python3.withPackages (ps: with ps; [ six pyparsing numpy h5py ]);
   qcmaquisSrc = fetchFromGitHub {
     owner = "qcscine";
     repo = "qcmaquis";
-    rev = "release-3.1.1"; # Must match tag in cmake/custom/qcmaquis.cmake
-    hash = "sha256-diLDWj/Om6EHrVp+Hd24jsN6R9vV2vRl0y9gqyRWhkI=";
+    rev = "release-3.1.4"; # Must match tag in cmake/custom/qcmaquis.cmake
+    hash = "sha256-vhC5k+91IPFxdCi5oYt1NtF9W08RxonJjPpA0ls4I+o=";
   };
   nevtp2Src = fetchFromGitHub {
     owner = "qcscine";
@@ -43,13 +45,13 @@ let
 in
 stdenv.mkDerivation rec {
   pname = "openmolcas";
-  version = "24.06";
+  version = "24.10";
 
   src = fetchFromGitLab {
     owner = "Molcas";
     repo = "OpenMolcas";
     rev = "v${version}";
-    hash = "sha256-/y6vEvA1Zf+p7Z0WpcN4P5voLN8MmfbKz1FuthgVQp0=";
+    hash = "sha256-LXxr/xqBHG7a0rOBrb8IMZ4IjZak3NsBw40Qf+z1fic=";
   };
 
   patches = [
@@ -104,8 +106,8 @@ stdenv.mkDerivation rec {
     "-DHDF5=ON"
     "-DFDE=ON"
     "-DEXTERNAL_LIBXC=${lib.getDev libxc}"
-    "-DDMRG=ON"
-    "-DNEVPT2=ON"
+    (lib.strings.cmakeBool "DMRG" enableQcmaquis)
+    (lib.strings.cmakeBool "NEVPT2" enableQcmaquis)
     "-DCMAKE_SKIP_BUILD_RPATH=ON"
   ] ++ lib.optionals (blas-ilp64.passthru.implementation == "openblas") [
     "-DOPENBLASROOT=${blas-ilp64.passthru.provider.dev}"
diff --git a/pkgs/applications/science/chemistry/openmolcas/qcmaquis.patch b/pkgs/applications/science/chemistry/openmolcas/qcmaquis.patch
index ca276bb3fb58..c388f699a1cc 100644
--- a/pkgs/applications/science/chemistry/openmolcas/qcmaquis.patch
+++ b/pkgs/applications/science/chemistry/openmolcas/qcmaquis.patch
@@ -22,25 +22,26 @@ index 789739ec8..6c86a7b8c 100644
                      INSTALL_DIR "${PROJECT_BINARY_DIR}/qcmaquis"
                     )
 diff --git a/cmake/custom/qcmaquis.cmake b/cmake/custom/qcmaquis.cmake
-index 176d02761..e160b7bc8 100644
+index 5fd1ef207..8d2957c6e 100644
 --- a/cmake/custom/qcmaquis.cmake
 +++ b/cmake/custom/qcmaquis.cmake
-@@ -78,6 +78,7 @@ list(APPEND QCMaquisCMakeArgs
-   -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}
-   -DCMAKE_CXX_FLAGS=${QCM_CMake_CXX_FLAGS}
-   -DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR>
-+  -DCMAKE_SKIP_BUILD_RPATH=ON
-   )
- if(HDF5_ROOT)
-   list(APPEND QCMaquisCMakeArgs
-@@ -278,9 +279,7 @@ set (CMAKE_DISABLE_SOURCE_CHANGES OFF)
+@@ -77,6 +77,7 @@ list (APPEND QCMaquisCMakeArgs
+       -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}
+       -DCMAKE_CXX_FLAGS=${QCM_CMake_CXX_FLAGS}
+       -DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR>
++      -DCMAKE_SKIP_BUILD_RPATH=ON
+ )
+ if (HDF5_ROOT)
+   list (APPEND QCMaquisCMakeArgs
+@@ -274,10 +275,7 @@ if (NOT MAQUIS_DMRG_FOUND) # Does the opposite work?
  
-     ExternalProject_Add(${EP_PROJECT}
-         PREFIX ${extprojpath}
--        GIT_REPOSITORY ${reference_git_repo}
--        GIT_TAG ${reference_git_commit}
--        UPDATE_DISCONNECTED ${EP_SkipUpdate}
-+        URL @qcmaquis_src_url@
- 
-         SOURCE_SUBDIR dmrg
-         CMAKE_ARGS ${EP_CMAKE_ARGS}
+   ExternalProject_Add (${EP_PROJECT}
+                        PREFIX ${extprojpath}
+-                       GIT_REPOSITORY ${reference_git_repo}
+-                       GIT_TAG ${reference_git_commit}
+-                       UPDATE_DISCONNECTED ${EP_SkipUpdate}
+-
++                       URL @qcmaquis_src_url@
+                        SOURCE_SUBDIR dmrg
+                        CMAKE_ARGS ${EP_CMAKE_ARGS}
+                        CMAKE_CACHE_ARGS ${EP_CMAKE_CACHE_ARGS}