diff --git a/bugs/3_madeline.sh b/bugs/3_madeline.sh
index 1497710..259978c 100755
--- a/bugs/3_madeline.sh
+++ b/bugs/3_madeline.sh
@@ -1,5 +1,7 @@
 #!/bin/bash -e
 
+composer update
+
 standalone=$PWD/bugs/wrap_madeline.php
 
 refactor=$PWD/refactor.php
@@ -17,4 +19,4 @@ cp $standalone wrap.php
 
 php $refactor
 
-docker run -v $PWD:/app --rm --privileged -it asan_tests /usr/bin/php --repeat 2 -d opcache.blacklist_filename=b.txt -f /app/wrap.php test.php
\ No newline at end of file
+docker run -v $PWD:/app --rm --privileged -it asan_tests /usr/bin/php --repeat 2 -d opcache.blacklist_filename=b.txt -f /app/wrap.php test.php
diff --git a/bugs/4_infection.sh b/bugs/4_infection.sh
index fa186e0..895ae50 100755
--- a/bugs/4_infection.sh
+++ b/bugs/4_infection.sh
@@ -1,5 +1,7 @@
 #!/bin/bash -e
 
+composer update
+
 wrap=$PWD/bugs/wrap.php
 standalone=$PWD/bugs/infection.php
 refactor=$PWD/refactor.php
@@ -44,4 +46,4 @@ rm -rf vendor
 
 docker run -v $PWD:/app --rm --privileged -it asan_tests /usr/bin/php /app/wrap.php /usr/bin/composer update
 
-echo "OK, no bugs!"
\ No newline at end of file
+echo "OK, no bugs!"
diff --git a/bugs/8_psalm_master_refactor.sh b/bugs/8_psalm_master_refactor.sh
index 32f6055..e8438d1 100755
--- a/bugs/8_psalm_master_refactor.sh
+++ b/bugs/8_psalm_master_refactor.sh
@@ -1,5 +1,7 @@
 #!/bin/bash -e
 
+composer update
+
 standalone=$PWD/bugs/wrap.php
 refactor=$PWD/refactor.php
 
@@ -27,4 +29,4 @@ php $refactor
 
 docker run -v $PWD:/app --rm --privileged -it asan_tests /usr/bin/php --repeat 2 -f /app/wrap.php /app/psalm --no-cache
 
-echo "OK, no bugs!"
\ No newline at end of file
+echo "OK, no bugs!"