diff --git a/.dockerignore b/.dockerignore
old mode 100755
new mode 100644
diff --git a/.env b/.env
old mode 100755
new mode 100644
diff --git a/.gitignore b/.gitignore
old mode 100755
new mode 100644
diff --git a/Cargo.lock b/Cargo.lock
old mode 100755
new mode 100644
diff --git a/Cargo.toml b/Cargo.toml
old mode 100755
new mode 100644
diff --git a/Dockerfile b/Dockerfile
old mode 100755
new mode 100644
index e10da88..d73295a
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM docker.io/rust:1.49
+FROM docker.io/rust:1.52
 
 RUN apt-get update && apt-get install -yqq \
     musl-tools \
diff --git a/makefile b/makefile
old mode 100755
new mode 100644
diff --git a/src/main.rs b/src/main.rs
old mode 100755
new mode 100644