diff --git a/Makefile b/Makefile
index aea05bc..3003f98 100644
--- a/Makefile
+++ b/Makefile
@@ -4,8 +4,8 @@ BIN_DIR = ./bin
 MKDIR = mkdir -p
 
 CPP = g++
-CPPFLAGS = -Wall -std=c++1y -I./include -I${CONDA_PREFIX}/include
-LDLIBS = -L${CONDA_PREFIX}/lib -lzmq -lhdf5 -lhdf5_hl -lhdf5_cpp -lhdf5_hl_cpp -lboost_system -lboost_regex -lboost_thread
+CPPFLAGS = -Wall -pthread -std=c++1y -I./include -I${CONDA_PREFIX}/include
+LDLIBS = -L/usr/lib64 -L${CONDA_PREFIX}/lib -lzmq -lhdf5 -lhdf5_hl -lhdf5_cpp -lhdf5_hl_cpp -lboost_system -lboost_regex -lboost_thread -lpthread
 LDFLAGS = -g
 
 HEADERS = $(wildcard $(SRC_DIR)/*.hpp)
diff --git a/conda-recipe/meta.yaml b/conda-recipe/meta.yaml
index 0b24091..0ce8c7d 100644
--- a/conda-recipe/meta.yaml
+++ b/conda-recipe/meta.yaml
@@ -12,14 +12,14 @@ requirements:
     build:
         - make
         - gcc
-        - cppzmq
-        - hdf5
-        - boost
+        - cppzmq =4.2.1
+        - hdf5 =1.8.17
+        - boost =1.61.0
 
     run:
-        - cppzmq
-        - hdf5
-        - boost
+        - cppzmq =4.2.1
+        - hdf5 =1.8.17
+        - boost =1.61.0
 
 
 about: