diff --git a/scripts/build.sh b/scripts/build.sh
index b3b832ca1..fefca88d9 100755
--- a/scripts/build.sh
+++ b/scripts/build.sh
@@ -2,7 +2,7 @@
 set -e
 
 apt-get update
-apt-get install curl zip unzip tar
+apt-get install -y curl zip unzip tar
 git submodule update --init --recursive
 
 ROOTDIR="$(dirname "$0")/.."
diff --git a/scripts/build_emscripten.sh b/scripts/build_emscripten.sh
index 9c1c55aa5..38f99ddc0 100755
--- a/scripts/build_emscripten.sh
+++ b/scripts/build_emscripten.sh
@@ -29,7 +29,7 @@
 set -e
 
 apt-get update
-apt-get install curl zip unzip tar
+apt-get install -y curl zip unzip tar
 git submodule update --init --recursive
 
 if test -z "$1"; then
diff --git a/scripts/ci/build.sh b/scripts/ci/build.sh
index c6a932c5e..40f5b41b8 100755
--- a/scripts/ci/build.sh
+++ b/scripts/ci/build.sh
@@ -2,7 +2,7 @@
 set -ex
 
 apt-get update
-apt-get install curl zip unzip tar
+apt-get install -y curl zip unzip tar
 git submodule update --init --recursive
 
 ROOTDIR="$(dirname "$0")/../.."
diff --git a/scripts/ci/build_emscripten.sh b/scripts/ci/build_emscripten.sh
index 4fa5e051d..f6f248a10 100755
--- a/scripts/ci/build_emscripten.sh
+++ b/scripts/ci/build_emscripten.sh
@@ -35,7 +35,7 @@
 set -ev
 
 apt-get update
-apt-get install curl zip unzip tar
+apt-get install -y curl zip unzip tar
 git submodule update --init --recursive
 
 if test -z "$1"; then
diff --git a/scripts/ci/build_ossfuzz.sh b/scripts/ci/build_ossfuzz.sh
index 2586c67e4..f3b13f5d9 100755
--- a/scripts/ci/build_ossfuzz.sh
+++ b/scripts/ci/build_ossfuzz.sh
@@ -2,7 +2,7 @@
 set -ex
 
 apt-get update
-apt-get install curl zip unzip tar
+apt-get install -y curl zip unzip tar
 git submodule update --init --recursive
 
 ROOTDIR="/root/project"