diff --git a/boring-nginx/Dockerfile b/boring-nginx/Dockerfile
index f70349e..0b30380 100644
--- a/boring-nginx/Dockerfile
+++ b/boring-nginx/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.7
+FROM alpine:3.8
 
 ENV UID=991 GID=991
 
diff --git a/nginx-php/Dockerfile.7.1 b/nginx-php/Dockerfile.7.1
index ff1cd84..33b8c1b 100644
--- a/nginx-php/Dockerfile.7.1
+++ b/nginx-php/Dockerfile.7.1
@@ -1,4 +1,4 @@
-FROM alpine:3.7
+FROM alpine:3.8
 
 ARG BUILD_CORES
 
diff --git a/nginx-php/Dockerfile.7.2 b/nginx-php/Dockerfile.7.2
index 1fa9612..b469ba3 100644
--- a/nginx-php/Dockerfile.7.2
+++ b/nginx-php/Dockerfile.7.2
@@ -1,4 +1,4 @@
-FROM alpine:3.7
+FROM alpine:3.8
 
 ARG BUILD_CORES
 
diff --git a/searx/Dockerfile b/searx/Dockerfile
index 9c255ea..029c6e3 100644
--- a/searx/Dockerfile
+++ b/searx/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.7
+FROM alpine:3.8
 
 ARG VERSION=0.14.0