diff --git a/libwccl/CMakeLists.txt b/libwccl/CMakeLists.txt
index d4fc578b6d131cfa3a0e2569a6b98ca19c7bcc8d..389e6f48408a0d936fee4b981b04e386adae0e2c 100644
--- a/libwccl/CMakeLists.txt
+++ b/libwccl/CMakeLists.txt
@@ -4,10 +4,10 @@ PROJECT(wccl)
 
 include_directories( ${CMAKE_CURRENT_BINARY_DIR}/include/ )
 
-find_package(Corpus2 1.0.2 REQUIRED)
+find_package(Corpus2 1.0.4 REQUIRED)
 set(LIBS ${LIBS} ${Corpus2_LIBRARY})
 
-find_package(PwrUtils 0.0.3 REQUIRED)
+find_package(PwrUtils 1.0.1 REQUIRED)
 set(LIBS ${LIBS} ${PwrUtils_LIBRARY})
 
 link_directories(${Boost_LIBRARY_DIRS})