diff --git a/c/Makefile b/c/Makefile
index 631cc71..69424af 100644
--- a/c/Makefile
+++ b/c/Makefile
@@ -35,7 +35,7 @@ CFLAGS += -std=c99
 # CFLAGS += -g -Wall -Wextra -Wpedantic -Wconversion -Wsign-conversion -fsanitize=undefined,address
 
 # Version information
-VERSION = 1.5.0
+VERSION = 1.6.0
 
 # ---- Controlling make ----
 
diff --git a/cpp/Makefile b/cpp/Makefile
index bbd861e..7db3dcb 100644
--- a/cpp/Makefile
+++ b/cpp/Makefile
@@ -35,7 +35,7 @@ CXXFLAGS += -std=c++11
 # CXXFLAGS += -g -Wall -Wextra -Wpedantic -Wconversion -Wsign-conversion -fsanitize=undefined,address
 
 # Version information
-VERSION = 1.5.0
+VERSION = 1.6.0
 
 # ---- Controlling make ----