diff --git a/src/mcedit2/rendering/blockmodels.pyx b/src/mcedit2/rendering/blockmodels.pyx
index 7df904b..73fefdd 100644
--- a/src/mcedit2/rendering/blockmodels.pyx
+++ b/src/mcedit2/rendering/blockmodels.pyx
@@ -235,7 +235,7 @@ cdef class BlockModels(object):
 
             self.loadModelParts(block, resourcePath, resourceVariant, parts)
 
-        hiddenModels = json.load(file(resources.resourcePath("mcedit2/rendering/hiddenstates_1_11.json"), "rb"))
+        hiddenModels = json.load(file(resources.resourcePath("mcedit2/rendering/hiddenstates_1_12.json"), "rb"))
         log.info("Loading %s hidden blockState models...", len(hiddenModels))
         hiddensLoaded = 0
         for i, hidden in enumerate(hiddenModels):
diff --git a/src/mcedit2/util/minecraftinstall.py b/src/mcedit2/util/minecraftinstall.py
index 915a7eb..74f9c5b 100644
--- a/src/mcedit2/util/minecraftinstall.py
+++ b/src/mcedit2/util/minecraftinstall.py
@@ -88,8 +88,8 @@ def md5hash(filename):
 
 class MCInstallGroup(QtCore.QObject):
     
-    _requiredVersion = '1.10.2'
-    _requiredMajorMinor = (1, 10)
+    _requiredVersion = '1.12'
+    _requiredMajorMinor = (1, 12)
             
     def __init__(self):
         """
diff --git a/src/mceditlib/blocktypes/__init__.py b/src/mceditlib/blocktypes/__init__.py
index d20b173..f37a290 100644
--- a/src/mceditlib/blocktypes/__init__.py
+++ b/src/mceditlib/blocktypes/__init__.py
@@ -428,9 +428,9 @@ class PCBlockTypeSet(BlockTypeSet):
         super(PCBlockTypeSet, self).__init__()
         self.itemStackVersion = itemStackVersion or VERSION_1_7
         self.name = "Alpha"
-        self.addIDMappingFromJSON(getJsonFile("idmapping_raw_1_11.json"))
+        self.addIDMappingFromJSON(getJsonFile("idmapping_raw_1_12.json"))
         self.addIDMappingFromJSON(getJsonFile("idmapping.json"))
-        self.addBlocksFromJSON(getJsonFile("minecraft_raw_1_11.json"))
+        self.addBlocksFromJSON(getJsonFile("minecraft_raw_1_12.json"))
         self.addBlocksFromJSON(getJsonFile("minecraft.json"))
 
         self.itemTypes = itemtypes.PCItemTypeSet()