diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 062160b9..32ddbdd1 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.6.0-alpha.1
+current_version = 0.6.0-alpha.2
 tag = True
 sign_tags = True
 tag_message = ethash {new_version}
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 436ac535..a1c2fb7c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -29,7 +29,7 @@ HunterGate(
 )
 
 project(ethash)
-set(PROJECT_VERSION 0.6.0-alpha.1)
+set(PROJECT_VERSION 0.6.0-alpha.2)
 
 cable_configure_compiler(NO_STACK_PROTECTION)
 if(CABLE_COMPILER_GNULIKE)
diff --git a/include/ethash/version.h b/include/ethash/version.h
index 2d60a2b7..8dc62a6e 100644
--- a/include/ethash/version.h
+++ b/include/ethash/version.h
@@ -6,7 +6,7 @@
 #pragma once
 
 /** The ethash library version. */
-#define ETHASH_VERSION "0.6.0-alpha.1"
+#define ETHASH_VERSION "0.6.0-alpha.2"
 
 #ifdef __cplusplus
 namespace ethash
diff --git a/setup.py b/setup.py
index deba96bf..c0ac81f5 100755
--- a/setup.py
+++ b/setup.py
@@ -68,7 +68,7 @@ def run(self):
 
 setup(
     name='ethash',
-    version='0.6.0-alpha.1',
+    version='0.6.0-alpha.2',
     description=
     "C/C++ implementation of Ethash – the Ethereum Proof of Work algorithm",
     url='https://github.com/chfast/ethash',