diff --git a/Cargo.toml b/Cargo.toml
index dcecd74..72975aa 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "shticker_book_unwritten"
-version = "1.0.2"
+version = "1.0.3"
 authors = ["Dr. Jonathan Helianthicus Doe, IV <augiii@protonmail.com>"]
 edition = "2018"
 description = "Minimal CLI launcher for the Toontown Rewritten MMORPG"
@@ -12,19 +12,19 @@ categories = ["games"]
 license = "GPL-3.0-or-later"
 
 [dependencies]
-bzip2 = "0.3.3"
+bzip2 = "0.4.1"
 rpassword = "4.0.5"
-serde = { version = "1.0.107", features = ["derive"] }
-serde_json = "1.0.52"
-sha-1 = "0.8.2"
+serde = { version = "1.0.114", features = ["derive"] }
+serde_json = "1.0.57"
+sha-1 = "0.9.1"
 
 [dependencies.clap]
-version = "2.33.0"
+version = "2.33.2"
 default-features = false
 features = ["suggestions", "vec_map"]
 
 [dependencies.reqwest]
-version = "0.10.4"
+version = "0.10.7"
 features = ["blocking", "default-tls"]
 
 [profile.release]
diff --git a/README.md b/README.md
index e19b350..c67e40e 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 [![crates.io](https://img.shields.io/crates/v/shticker_book_unwritten)](https://crates.io/crates/shticker_book_unwritten)
 [![GPL v3+](https://img.shields.io/badge/license-GNU%20GPL%20v3%2B-bd0000)](./LICENSE)
 [![unsafe forbidden](https://img.shields.io/badge/unsafe-forbidden-success.svg)](https://github.com/rust-secure-code/safety-dance/)
-[![minimum supported rust version 1.39.0](https://img.shields.io/badge/rustc-%3E%3D1.39.0-dea584)](https://rustup.rs/)
+[![minimum supported rust version 1.41.0](https://img.shields.io/badge/rustc-%3E%3D1.41.0-dea584)](https://rustup.rs/)
 [![GitHub code size in bytes](https://img.shields.io/github/languages/code-size/JonathanHelianthicusDoe/shticker_book_unwritten)](https://github.com/JonathanHelianthicusDoe/shticker_book_unwritten)
 
 ![shticker\_book\_unwritten logo](./img/shticker_book_unwritten_256x256.png)
@@ -30,7 +30,7 @@ You can get pre-compiled binaries from [the releases page][releases] on GitHub.
 
 Requires a distribution of [Rust](https://www.rust-lang.org/)/cargo, which you
 can get from [rustup](https://rustup.rs/). The minimum supported version of
-rustc is 1.39.0.
+rustc is 1.41.0.
 
 ```bash
 cargo install shticker_book_unwritten
@@ -47,7 +47,7 @@ cargo install -f shticker_book_unwritten
 
 Requires a distribution of [Rust](https://www.rust-lang.org/)/cargo, which you
 can get from [rustup](https://rustup.rs/). The minimum supported version of
-rustc is 1.39.0.
+rustc is 1.41.0.
 
 ```bash
 git clone https://github.com/JonathanHelianthicusDoe/shticker_book_unwritten.git
diff --git a/src/update.rs b/src/update.rs
index 2b7ea06..62b5472 100644
--- a/src/update.rs
+++ b/src/update.rs
@@ -574,10 +574,10 @@ fn sha_of_reader<R: Read>(
     let mut n = buf.len();
     while n == buf.len() {
         n = r.read(buf)?;
-        sha.input(&buf[..n]);
+        sha.update(&buf[..n]);
     }
 
-    Ok(sha.result().into())
+    Ok(sha.finalize().into())
 }
 
 fn sha_of_file_by_path<P: AsRef<Path>>(
@@ -592,10 +592,10 @@ fn sha_of_file_by_path<P: AsRef<Path>>(
         n = file.read(buf).map_err(|ioe| {
             Error::FileReadError(path.as_ref().to_path_buf(), ioe)
         })?;
-        sha.input(&buf[..n]);
+        sha.update(&buf[..n]);
     }
 
-    Ok(sha.result().into())
+    Ok(sha.finalize().into())
 }
 
 fn sha_from_hash_str<S: AsRef<str>>(hash_str: S) -> Result<[u8; 20], Error> {