diff --git a/VERSION b/VERSION
index c068b24..c239c60 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.4
+1.5
diff --git a/benchmarks/tcp_http_link_usage.png b/benchmarks/tcp_http_link_usage.png
index f0338cb..ebcca0d 100644
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diff --git a/benchmarks/tcp_http_pps.png b/benchmarks/tcp_http_pps.png
index 5922253..366e26d 100644
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diff --git a/benchmarks/tcp_http_setup.png b/benchmarks/tcp_http_setup.png
index b98738e..943d016 100644
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diff --git a/benchmarks/tcp_raw_link_usage.png b/benchmarks/tcp_raw_link_usage.png
index 0de73ff..6ef9461 100644
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diff --git a/benchmarks/tcp_raw_pps.png b/benchmarks/tcp_raw_pps.png
index 9253d25..9b38fa2 100644
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diff --git a/benchmarks/tcp_raw_setup.png b/benchmarks/tcp_raw_setup.png
index aad3e49..52f8a7d 100644
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diff --git a/benchmarks/udp_raw_link_usage.png b/benchmarks/udp_raw_link_usage.png
index 0174b23..d1f5198 100644
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diff --git a/benchmarks/udp_raw_pps.png b/benchmarks/udp_raw_pps.png
index a31b8dc..7ce6de0 100644
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diff --git a/benchmarks/udp_raw_setup.png b/benchmarks/udp_raw_setup.png
index cbfe15c..3e7c4e7 100644
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