diff --git a/opm/simulators/utils/ParallelRestart.cpp b/opm/simulators/utils/ParallelRestart.cpp
index 890e32ab1..af6c7a17e 100644
--- a/opm/simulators/utils/ParallelRestart.cpp
+++ b/opm/simulators/utils/ParallelRestart.cpp
@@ -409,6 +409,27 @@ struct Packing<data::Segment>
     }
 };
 
+template <std::size_t Size>
+struct Packing<std::bitset<Size>>
+{
+    static std::size_t packSize(const std::bitset<Size>& data, Opm::Parallel::MPIComm comm)
+    {
+        return Mpi::packSize(data.to_ullong(), comm);
+    }
+
+    static void pack(const std::bitset<Size>& data, std::vector<char>& buffer, int& position, Opm::Parallel::MPIComm comm)
+    {
+        Mpi::pack(data.to_ullong(), buffer, position, comm);
+    }
+
+    static void unpack(std::bitset<Size>& data, std::vector<char>& buffer, int& position, Opm::Parallel::MPIComm comm)
+    {
+        unsigned long long d;
+        Mpi::unpack(d, buffer, position, comm);
+        data = std::bitset<Size>(d);
+    }
+};
+
 std::size_t packSize(const data::NumericAquiferData& data, Opm::Parallel::MPIComm comm)
 {
     return packSize(data.initPressure, comm);
@@ -498,6 +519,12 @@ std::size_t packSize(const data::Segment& data, Opm::Parallel::MPIComm comm)
     return Packing<data::Segment>::packSize(data, comm);
 }
 
+template<std::size_t Size>
+std::size_t packSize(const std::bitset<Size>& data, Opm::Parallel::MPIComm comm)
+{
+    return Packing<std::bitset<Size>>::packSize(data, comm);
+}
+
 std::size_t packSize(const data::CellData& data, Opm::Parallel::MPIComm comm)
 {
     return packSize(data.dim, comm) + packSize(data.data, comm) + packSize(data.target, comm);
@@ -877,6 +904,13 @@ void pack(const data::Segment& data, std::vector<char>& buffer, int& position,
     Packing<data::Segment>::pack(data, buffer, position, comm);
 }
 
+template<std::size_t Size>
+void pack(const std::bitset<Size>& data, std::vector<char>& buffer,
+          int& position, Opm::Parallel::MPIComm comm)
+{
+    Packing<std::bitset<Size>>::pack(data, buffer, position, comm);
+}
+
 void pack(const data::GroupAndNetworkValues& data, std::vector<char>& buffer, int& position,
           Opm::Parallel::MPIComm comm)
 {
@@ -1246,6 +1280,13 @@ void unpack(data::Segment& data, std::vector<char>& buffer, int& position,
     Packing<data::Segment>::unpack(data, buffer, position, comm);
 }
 
+template<std::size_t Size>
+void unpack(std::bitset<Size>& data, std::vector<char>& buffer, int& position,
+            Opm::Parallel::MPIComm comm)
+{
+    Packing<std::bitset<Size>>::unpack(data, buffer, position, comm);
+}
+
 void unpack(data::GroupAndNetworkValues& data, std::vector<char>& buffer, int& position,
             Opm::Parallel::MPIComm comm)
 {
@@ -1328,6 +1369,7 @@ INSTANTIATE_PACK(unsigned long long int)
 INSTANTIATE_PACK(std::array<short,3>)
 INSTANTIATE_PACK(std::array<bool,3>)
 INSTANTIATE_PACK(std::array<int,3>)
+INSTANTIATE_PACK(std::array<double,4>)
 INSTANTIATE_PACK(std::map<std::pair<int,int>,std::pair<bool,double>>)
 INSTANTIATE_PACK(std::optional<double>)
 INSTANTIATE_PACK(std::optional<std::string>)
@@ -1345,6 +1387,8 @@ INSTANTIATE_PACK(std::unordered_map<std::string,size_t,Opm::OrderedMapDetail::Tr
 INSTANTIATE_PACK(std::unordered_map<std::string,std::string>)
 INSTANTIATE_PACK(std::unordered_set<std::string>)
 INSTANTIATE_PACK(std::set<std::string>)
+INSTANTIATE_PACK(std::bitset<4>)
+
 
 #undef INSTANTIATE_PACK
 
diff --git a/opm/simulators/utils/ParallelRestart.hpp b/opm/simulators/utils/ParallelRestart.hpp
index 72df8ac28..55d4791c6 100644
--- a/opm/simulators/utils/ParallelRestart.hpp
+++ b/opm/simulators/utils/ParallelRestart.hpp
@@ -31,7 +31,9 @@
 
 #include <opm/simulators/utils/ParallelCommunication.hpp>
 
+#include <bitset>
 #include <chrono>
+#include <cstddef>
 #include <optional>
 #include <map>
 #include <set>
@@ -153,6 +155,9 @@ std::size_t packSize(const std::map<T1,T2,C,A>& data, Opm::Parallel::MPIComm com
 template<class T1, class T2, class H, class P, class A>
 std::size_t packSize(const std::unordered_map<T1,T2,H,P,A>& data, Opm::Parallel::MPIComm comm);
 
+template<std::size_t Size>
+std::size_t packSize(const std::bitset<Size>& data, Opm::Parallel::MPIComm comm);
+
 ////// pack routines
 
 template<class T>
@@ -241,6 +246,10 @@ void pack(const std::unordered_map<T1,T2,H,P,A>& data, std::vector<char>& buffer
 void pack(const char* str, std::vector<char>& buffer, int& position,
           Opm::Parallel::MPIComm comm);
 
+template<size_t Size>
+void pack(const std::bitset<Size>& data, std::vector<char>& buffer, int& position,
+          Opm::Parallel::MPIComm comm);
+
 /// unpack routines
 
 template<class T>
@@ -330,6 +339,10 @@ void unpack(std::unordered_map<T1,T2,H,P,A>& data, std::vector<char>& buffer, in
 void unpack(char* str, std::size_t length, std::vector<char>& buffer, int& position,
             Opm::Parallel::MPIComm comm);
 
+template<size_t Size>
+void unpack(std::bitset<Size>& data, std::vector<char>& buffer, int& position,
+            Opm::Parallel::MPIComm comm);
+
 /// prototypes for complex types
 
 #define ADD_PACK_PROTOTYPES(T) \
diff --git a/tests/test_ParallelRestart.cpp b/tests/test_ParallelRestart.cpp
index c2052af4c..0514b46e2 100644
--- a/tests/test_ParallelRestart.cpp
+++ b/tests/test_ParallelRestart.cpp
@@ -573,6 +573,7 @@ TEST_FOR_TYPE(ColumnSchema)
 TEST_FOR_TYPE(Connection)
 TEST_FOR_TYPE_NAMED(data::CellData, CellData)
 TEST_FOR_TYPE_NAMED(data::GroupConstraints, GroupConstraints)
+TEST_FOR_TYPE_NAMED(data::GuideRateValue, GuideRateValue)
 TEST_FOR_TYPE_NAMED(data::NodeData, NodeData)
 TEST_FOR_TYPE(Deck)
 TEST_FOR_TYPE(DeckItem)