diff --git a/docker/executors/c b/docker/executors/c
index 7ae5108..befbf57 100755
--- a/docker/executors/c
+++ b/docker/executors/c
@@ -1,4 +1,4 @@
 #!/bin/sh
 
 gcc -o binary -x c $1
-timeout -s HUP 2 ./binary
+timeout -s KILL 2 ./binary
diff --git a/docker/executors/cpp b/docker/executors/cpp
index 2dfd5f3..9ec0065 100755
--- a/docker/executors/cpp
+++ b/docker/executors/cpp
@@ -1,4 +1,4 @@
 #!/bin/sh
 
 g++ -o binary -x c $1
-timeout -s HUP 2 ./binary
+timeout -s KILL 2 ./binary
diff --git a/docker/executors/go b/docker/executors/go
index 7842675..861ed39 100755
--- a/docker/executors/go
+++ b/docker/executors/go
@@ -6,4 +6,4 @@ go build $file
 
 file=${file%%.*}
 
-timeout -s HUP 2 ./$file
+timeout -s KILL 2 ./$file
diff --git a/docker/executors/node b/docker/executors/node
index 4998e25..762ab75 100755
--- a/docker/executors/node
+++ b/docker/executors/node
@@ -1,3 +1,3 @@
 #!/bin/sh
 
-timeout -s HUP 2 nodejs $*
+timeout -s KILL 2 nodejs $*
diff --git a/docker/executors/python2 b/docker/executors/python2
index 4b321a2..a44fa8b 100755
--- a/docker/executors/python2
+++ b/docker/executors/python2
@@ -1,3 +1,3 @@
 #!/bin/sh
 
-timeout -s HUP 2 python2 $*
+timeout -s KILL 2 python2 $*
diff --git a/docker/executors/python3 b/docker/executors/python3
index 25258ba..a7fd360 100755
--- a/docker/executors/python3
+++ b/docker/executors/python3
@@ -1,3 +1,3 @@
 #!/bin/sh
 
-timeout -s HUP 2 python3.6 $*
+timeout -s KILL 2 python3.6 $*
diff --git a/docker/executors/ruby b/docker/executors/ruby
index 598b5b0..ef74d2d 100755
--- a/docker/executors/ruby
+++ b/docker/executors/ruby
@@ -1,3 +1,3 @@
 #!/bin/sh
 
-timeout -s HUP 2 ruby $*
+timeout -s KILL 2 ruby $*