diff --git a/Data/GI/Base/GType.hsc b/Data/GI/Base/GType.hsc
--- a/Data/GI/Base/GType.hsc
+++ b/Data/GI/Base/GType.hsc
@@ -21,6 +21,7 @@
     , gtypeVariant
     , gtypeByteArray
     , gtypeInvalid
+    , gtypeParam
 
     , gtypeStablePtr
     ) where
@@ -109,6 +110,10 @@
 -- | The `GType` corresponding to 'Data.GI.Base.GError.GError'.
 gtypeError :: GType
 gtypeError = GType #const G_TYPE_ERROR
+
+-- | The `GType` corresponding to 'Data.GI.Base.BasicTypes.GParamSpec'.
+gtypeParam :: GType
+gtypeParam = GType #const G_TYPE_PARAM
 
 {- Run-time types -}
 
diff --git a/Data/GI/Base/GValue.hs b/Data/GI/Base/GValue.hs
--- a/Data/GI/Base/GValue.hs
+++ b/Data/GI/Base/GValue.hs
@@ -43,7 +43,8 @@
     , set_stablePtr
     , get_stablePtr
     , take_stablePtr
-
+    , set_param
+    , get_param
     ) where
 
 import Control.Monad.IO.Class (MonadIO, liftIO)
@@ -252,6 +253,11 @@
   gvalueSet_ = set_stablePtr
   gvalueGet_ = get_stablePtr
 
+instance IsGValue (Maybe GParamSpec) where
+  gvalueGType_ = return gtypeParam
+  gvalueSet_ = set_param
+  gvalueGet_ = get_param
+
 foreign import ccall "g_value_set_string" _set_string ::
     Ptr GValue -> CString -> IO ()
 foreign import ccall "g_value_get_string" _get_string ::
@@ -451,3 +457,28 @@
         go n ptr = do
           _ <- f ptr
           go (n-1) (ptr `plusPtr` cgvalueSize)
+
+foreign import ccall unsafe "g_value_set_param" _set_param ::
+    Ptr GValue -> Ptr GParamSpec -> IO ()
+foreign import ccall unsafe "g_value_get_param" _get_param ::
+    Ptr GValue -> IO (Ptr GParamSpec)
+
+-- | Set the value of `GValue` containing a `GParamSpec`
+set_param :: Ptr GValue -> Maybe GParamSpec -> IO ()
+set_param gv (Just ps) = withManagedPtr ps (_set_param gv)
+set_param gv Nothing = _set_param gv nullPtr
+
+foreign import ccall "g_param_spec_ref" g_param_spec_ref ::
+    Ptr GParamSpec -> IO (Ptr GParamSpec)
+foreign import ccall "&g_param_spec_unref" ptr_to_g_param_spec_unref ::
+    FunPtr (Ptr GParamSpec -> IO ())
+
+-- | Get the value of a `GValue` containing a `GParamSpec`
+get_param :: Ptr GValue -> IO (Maybe GParamSpec)
+get_param gv = do
+  ptr <- _get_param gv
+  if ptr == nullPtr
+    then return Nothing
+    else do
+    fPtr <- g_param_spec_ref ptr >>= newManagedPtr' ptr_to_g_param_spec_unref
+    return . Just $! GParamSpec fPtr
diff --git a/Data/GI/Base/Properties.hsc b/Data/GI/Base/Properties.hsc
--- a/Data/GI/Base/Properties.hsc
+++ b/Data/GI/Base/Properties.hsc
@@ -29,6 +29,7 @@
     , setObjectPropertyCallback
     , setObjectPropertyGError
     , setObjectPropertyGValue
+    , setObjectPropertyParamSpec
 
     , getObjectPropertyIsGValueInstance
     , getObjectPropertyString
@@ -58,6 +59,7 @@
     , getObjectPropertyCallback
     , getObjectPropertyGError
     , getObjectPropertyGValue
+    , getObjectPropertyParamSpec
 
     , constructObjectPropertyIsGValueInstance
     , constructObjectPropertyString
@@ -87,6 +89,7 @@
     , constructObjectPropertyCallback
     , constructObjectPropertyGError
     , constructObjectPropertyGValue
+    , constructObjectPropertyParamSpec
     ) where
 
 #if !MIN_VERSION_base(4,8,0)
@@ -589,3 +592,17 @@
                            a -> String -> IO (Maybe GValue)
 getObjectPropertyGValue obj propName =
   getObjectPropertyBoxed obj propName GValue
+
+-- | Construct a property of type `GParamSpec`.
+constructObjectPropertyParamSpec :: String -> Maybe GParamSpec ->
+                                    IO (GValueConstruct o)
+constructObjectPropertyParamSpec = constructObjectPropertyIsGValueInstance
+
+-- | Get a property of type `GParamSpec`.
+getObjectPropertyParamSpec :: GObject a => a -> String -> IO (Maybe GParamSpec)
+getObjectPropertyParamSpec = getObjectPropertyIsGValueInstance
+
+-- | Set a property of type `GParamSpec`.
+setObjectPropertyParamSpec :: GObject a =>
+                          a -> String -> Maybe GParamSpec -> IO ()
+setObjectPropertyParamSpec = setObjectPropertyIsGValueInstance
diff --git a/haskell-gi-base.cabal b/haskell-gi-base.cabal
--- a/haskell-gi-base.cabal
+++ b/haskell-gi-base.cabal
@@ -1,5 +1,5 @@
 name:                haskell-gi-base
-version:             0.26.2
+version:             0.26.3
 synopsis:            Foundation for libraries generated by haskell-gi
 description:         Foundation for libraries generated by haskell-gi
 homepage:            https://github.com/haskell-gi/haskell-gi