diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,13 @@
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
+## 0.3.7.0 - 2025-05-05
+
+### Added
+
+ - `getMaxBuildJobs`
+ - Nix 2.28 support
+
 ## 0.3.6.1 - 2024-11-15
 
 ### Added
diff --git a/hercules-ci-cnix-store.cabal b/hercules-ci-cnix-store.cabal
--- a/hercules-ci-cnix-store.cabal
+++ b/hercules-ci-cnix-store.cabal
@@ -1,7 +1,7 @@
 cabal-version: 2.4
 
 name:           hercules-ci-cnix-store
-version:        0.3.6.1
+version:        0.3.7.0
 synopsis:       Haskell bindings for Nix's libstore
 category:       Nix
 homepage:       https://docs.hercules-ci.com
@@ -95,8 +95,8 @@
   include-dirs:
       include
   pkgconfig-depends:
-      nix-store (>= 2.4 && < 2.19) || (>= 2.19.3 && < 2.21) || (>= 2.24.10 && < 2.25)
-    , nix-main >= 2.4 && < 2.19 || (>= 2.19.3 && < 2.21) || (>= 2.24.10 && < 2.25)
+      nix-store (>= 2.4 && < 2.19) || (>= 2.19.3 && < 2.21) || (>= 2.24.10 && < 2.25) || (>= 2.28 && < 2.29)
+    , nix-main >= 2.4 && < 2.19 || (>= 2.19.3 && < 2.21) || (>= 2.24.10 && < 2.25) || (>= 2.28 && < 2.29)
   install-includes:
       hercules-ci-cnix/store.hxx
       hercules-ci-cnix/string.hxx
diff --git a/include/hercules-ci-cnix/store.hxx b/include/hercules-ci-cnix/store.hxx
--- a/include/hercules-ci-cnix/store.hxx
+++ b/include/hercules-ci-cnix/store.hxx
@@ -1,7 +1,11 @@
 
 #pragma once
 
+#if NIX_IS_AT_LEAST(2,28,0)
+#include <nix/store/path-info.hh>
+#else
 #include <nix/path-info.hh>
+#endif
 
 typedef nix::ref<nix::Store> refStore;
 
diff --git a/src/Hercules/CNix.hs b/src/Hercules/CNix.hs
--- a/src/Hercules/CNix.hs
+++ b/src/Hercules/CNix.hs
@@ -34,42 +34,36 @@
 
 C.context context
 
-C.include "<stdio.h>"
+#if NIX_IS_AT_LEAST(2, 28, 0)
 
-C.include "<cstring>"
+C.include "<nix/util/config-global.hh>"
+C.include "<nix/store/derivations.hh>"
+C.include "<nix/store/globals.hh>"
+C.include "<nix/main/shared.hh>"
 
+#else
+C.include "<stdio.h>"
+C.include "<cstring>"
 C.include "<math.h>"
-
 C.include "<nix/config.h>"
-
 C.include "<nix/shared.hh>"
-
 C.include "<nix/store-api.hh>"
-
 C.include "<nix/get-drvs.hh>"
-
 C.include "<nix/derivations.hh>"
-
 C.include "<nix/globals.hh>"
-
-C.include "hercules-ci-cnix/store.hxx"
+#  if NIX_IS_AT_LEAST(2, 24, 0)
+C.include "<config-global.hh>"
+#  endif
+#endif
 
 C.include "<gc/gc.h>"
-
 C.include "<gc/gc_cpp.h>"
-
 C.include "<gc/gc_allocator.h>"
 
-#if NIX_IS_AT_LEAST(2, 24, 0)
-
-C.include "<config-global.hh>"
-
-#endif
-
 C.include "hercules-ci-cnix/string.hxx"
+C.include "hercules-ci-cnix/store.hxx"
 
 C.using "namespace nix"
-
 C.using "namespace hercules_ci_cnix"
 
 init :: IO ()
diff --git a/src/Hercules/CNix/Exception.hs b/src/Hercules/CNix/Exception.hs
--- a/src/Hercules/CNix/Exception.hs
+++ b/src/Hercules/CNix/Exception.hs
@@ -1,3 +1,4 @@
+{-# LANGUAGE CPP #-}
 {-# LANGUAGE QuasiQuotes #-}
 {-# LANGUAGE TemplateHaskell #-}
 
@@ -16,9 +17,14 @@
 
 C.context context
 
+#if NIX_IS_AT_LEAST(2, 28, 0)
+C.include "<nix/main/shared.hh>"
+C.include "<nix/store/globals.hh>"
+#else
 C.include "<nix/config.h>"
 C.include "<nix/shared.hh>"
 C.include "<nix/globals.hh>"
+#endif
 
 -- | Log C++ exceptions and call 'exitWith' the way Nix would exit when an
 -- exception occurs.
diff --git a/src/Hercules/CNix/Settings.hs b/src/Hercules/CNix/Settings.hs
--- a/src/Hercules/CNix/Settings.hs
+++ b/src/Hercules/CNix/Settings.hs
@@ -7,6 +7,7 @@
   ( getExtraPlatforms,
     getSystem,
     getSystemFeatures,
+    getMaxBuildJobs,
     getSubstituters,
     getTrustedPublicKeys,
     getNarinfoCacheNegativeTtl,
@@ -36,10 +37,16 @@
   )
 
 C.include "<cstring>"
-C.include "<nix/config.h>"
-C.include "<nix/globals.hh>"
 C.include "<set>"
 C.include "<string>"
+
+#if NIX_IS_AT_LEAST(2, 28, 0)
+C.include "<nix/store/globals.hh>"
+#else
+C.include "<nix/config.h>"
+C.include "<nix/globals.hh>"
+#endif
+
 C.include "hercules-ci-cnix/string.hxx"
 
 C.using "namespace hercules_ci_cnix"
@@ -79,6 +86,16 @@
     [C.block| std::set<std::string>*{
       return new nix::StringSet(nix::settings.systemFeatures.get());
     }|]
+
+getMaxBuildJobs :: IO Word
+getMaxBuildJobs = do
+  n <-
+    [C.block| unsigned int {
+      return nix::settings.maxBuildJobs.get();
+    }|]
+  if (fromIntegral n :: Integer) > (fromIntegral (maxBound :: Word))
+    then panic ("Nix max-jobs is too large. Can't continue. Value: " <> show n :: Text)
+    else pure (fromIntegral n)
 
 getSubstituters :: IO [ByteString]
 getSubstituters =
diff --git a/src/Hercules/CNix/Store.hs b/src/Hercules/CNix/Store.hs
--- a/src/Hercules/CNix/Store.hs
+++ b/src/Hercules/CNix/Store.hs
@@ -187,6 +187,21 @@
 
 C.include "<cstring>"
 
+C.include "<variant>"
+
+#if NIX_IS_AT_LEAST(2, 28, 0)
+
+C.include "<nix/main/shared.hh>"
+C.include "<nix/store/store-api.hh>"
+C.include "<nix/store/derivations.hh>"
+C.include "<nix/store/globals.hh>"
+C.include "<nix/store/path.hh>"
+C.include "<nix/store/worker-protocol.hh>"
+C.include "<nix/store/path-with-outputs.hh>"
+C.include "<nix/util/signals.hh>"
+
+#else
+
 C.include "<nix/config.h>"
 
 C.include "<nix/shared.hh>"
@@ -201,31 +216,30 @@
 
 C.include "<nix/path.hh>"
 
-C.include "<variant>"
-
 C.include "<nix/worker-protocol.hh>"
 
 C.include "<nix/path-with-outputs.hh>"
 
 C.include "<nix/hash.hh>"
 
-C.include "hercules-ci-cnix/store.hxx"
-
-C.include "hercules-ci-cnix/string.hxx"
-
-#if NIX_IS_AT_LEAST(2,19,0)
+#  if NIX_IS_AT_LEAST(2,19,0)
 
 C.include "<nix/signals.hh>"
 
 C.include "<nix/hash.hh>"
 
-#endif
+#  endif
 
-#if ! NIX_IS_AT_LEAST(2,20,0)
+#  if ! NIX_IS_AT_LEAST(2,20,0)
 
 C.include "<nix/nar-info-disk-cache.hh>"
 
+#  endif
 #endif
+
+C.include "hercules-ci-cnix/store.hxx"
+
+C.include "hercules-ci-cnix/string.hxx"
 
 C.using "namespace nix"
 
diff --git a/src/Hercules/CNix/Store/Instances.hs b/src/Hercules/CNix/Store/Instances.hs
--- a/src/Hercules/CNix/Store/Instances.hs
+++ b/src/Hercules/CNix/Store/Instances.hs
@@ -1,3 +1,4 @@
+{-# LANGUAGE CPP #-}
 {-# LANGUAGE FlexibleInstances #-}
 {-# LANGUAGE TemplateHaskell #-}
 {-# OPTIONS_GHC -Wno-orphans #-}
@@ -16,9 +17,15 @@
 
 C.context $ context <> stdVectorCtx <> stdSetCtx
 
+#if NIX_IS_AT_LEAST(2, 28, 0)
+C.include "<nix/store/path.hh>"
+C.include "<nix/store/derivations.hh>"
+C.include "<nix/store/path-with-outputs.hh>"
+#else
 C.include "<nix/path.hh>"
 C.include "<nix/derivations.hh>"
 C.include "<nix/path-with-outputs.hh>"
+#endif
 
 _ = Proxy :: Proxy NixStorePath
 
diff --git a/src/Hercules/CNix/Util.hs b/src/Hercules/CNix/Util.hs
--- a/src/Hercules/CNix/Util.hs
+++ b/src/Hercules/CNix/Util.hs
@@ -25,12 +25,16 @@
 
 C.context context
 
-C.include "<nix/config.h>"
+#if NIX_IS_AT_LEAST(2, 28, 0)
 
-C.include "<nix/util.hh>"
+C.include "<nix/util/signals.hh>"
 
-#if NIX_IS_AT_LEAST(2,19,0)
+#else
+C.include "<nix/config.h>"
+C.include "<nix/util.hh>"
+#  if NIX_IS_AT_LEAST(2,19,0)
 C.include "<nix/signals.hh>"
+#  endif
 #endif
 
 C.using "namespace nix"
diff --git a/src/Hercules/CNix/Verbosity.hs b/src/Hercules/CNix/Verbosity.hs
--- a/src/Hercules/CNix/Verbosity.hs
+++ b/src/Hercules/CNix/Verbosity.hs
@@ -1,3 +1,4 @@
+{-# LANGUAGE CPP #-}
 {-# LANGUAGE QuasiQuotes #-}
 {-# LANGUAGE TemplateHaskell #-}
 
@@ -19,10 +20,16 @@
 
 C.context context
 
+#if NIX_IS_AT_LEAST(2, 28, 0)
+
+C.include "<nix/util/logging.hh>"
+
+#else
 C.include "<nix/config.h>"
 C.include "<nix/error.hh>"
 C.include "<nix/globals.hh>"
 C.include "<nix/logging.hh>"
+#endif
 
 data Verbosity
   = Error