diff --git a/Dockerfile.kong3.4.2 b/Dockerfile.kong3.4.2
index dce2fcb..cbc5eac 100644
--- a/Dockerfile.kong3.4.2
+++ b/Dockerfile.kong3.4.2
@@ -4,7 +4,7 @@ ENV OIDC_PLUGIN_VERSION=1.1.0-0
 ENV JWT_PLUGIN_VERSION=1.1.0-1
 
 USER root
-RUN apt update && apt add git unzip luarocks
+RUN apt update && apt install git unzip luarocks
 RUN luarocks install kong-oidc
 
 RUN git clone https://github.com/PSheshenya/kong-oidc.git \
diff --git a/Dockerfile.kong3.5.0 b/Dockerfile.kong3.5.0
index 3019c6a..22a5818 100644
--- a/Dockerfile.kong3.5.0
+++ b/Dockerfile.kong3.5.0
@@ -4,7 +4,7 @@ ENV OIDC_PLUGIN_VERSION=1.1.0-0
 ENV JWT_PLUGIN_VERSION=1.1.0-1
 
 USER root
-RUN apt update && apt add git unzip luarocks
+RUN apt update && apt install git unzip luarocks
 RUN luarocks install kong-oidc
 
 RUN git clone https://github.com/PSheshenya/kong-oidc.git \