diff --git a/gnu/packages/rust-apps.scm b/gnu/packages/rust-apps.scm
index 56fd9a7ead..0eecd92cf7 100644
--- a/gnu/packages/rust-apps.scm
+++ b/gnu/packages/rust-apps.scm
@@ -589,42 +589,47 @@ (define-public rust-cbindgen-0.12
 (define-public tectonic
   (package
     (name "tectonic")
-    (version "0.4.1")
+    (version "0.5.1")
     (source
      (origin
        (method url-fetch)
        (uri (crate-uri "tectonic" version))
        (file-name (string-append name "-" version ".tar.gz"))
        (sha256
-        (base32 "16fm2bfvfizrydmirzf0bhr1fidb5slcbvr6150and8yqr8jc4lf"))))
+        (base32 "0886wn6bkqsfila4m49k7n33ii74yhp4c2wcpbbhq2f9443ry6v9"))))
     (build-system cargo-build-system)
     (arguments
-     `(#:cargo-inputs
+     `(#:rust ,rust-1.52
+       #:cargo-inputs
        (("rust-app-dirs2" ,rust-app-dirs2-2)
         ("rust-atty" ,rust-atty-0.2)
         ("rust-byte-unit" ,rust-byte-unit-4)
-        ("rust-cbindgen" ,rust-cbindgen-0.16)
-        ("rust-cc" ,rust-cc-1)
         ("rust-cfg-if" ,rust-cfg-if-1)
         ("rust-error-chain" ,rust-error-chain-0.12)
         ("rust-flate2" ,rust-flate2-1)
         ("rust-fs2" ,rust-fs2-0.4)
-        ("rust-headers" ,rust-headers-0.2)
         ("rust-lazy-static" ,rust-lazy-static-1)
         ("rust-libc" ,rust-libc-0.2)
         ("rust-md-5" ,rust-md-5-0.9)
-        ("rust-pkg-config" ,rust-pkg-config-0.3)
-        ("rust-regex" ,rust-regex-1)
-        ("rust-reqwest" ,rust-reqwest-0.9)
+        ("rust-open" ,rust-open-1)
         ("rust-serde" ,rust-serde-1)
         ("rust-sha2" ,rust-sha2-0.9)
         ("rust-structopt" ,rust-structopt-0.3)
-        ("rust-tectonic-cfg-support" ,rust-tectonic-cfg-support-0.1)
+        ("rust-tectonic-bridge-core" ,rust-tectonic-bridge-core-0.1)
+        ("rust-tectonic-engine-bibtex" ,rust-tectonic-engine-bibtex-0.1)
+        ("rust-tectonic-engine-xdvipdfmx" ,rust-tectonic-engine-xdvipdfmx-0.1)
+        ("rust-tectonic-engine-xetex" ,rust-tectonic-engine-xetex-0.1)
+        ("rust-tectonic-errors" ,rust-tectonic-errors-0.2)
+        ("rust-tectonic-geturl" ,rust-tectonic-geturl-0.2)
+        ("rust-tectonic-io-base" ,rust-tectonic-io-base-0.2)
+        ("rust-tectonic-status-base" ,rust-tectonic-status-base-0.1)
         ("rust-tectonic-xdv" ,rust-tectonic-xdv-0.1)
+        ("rust-tectonic-xetex-layout" ,rust-tectonic-xetex-layout-0.1)
         ("rust-tempfile" ,rust-tempfile-3)
         ("rust-termcolor" ,rust-termcolor-1)
         ("rust-toml" ,rust-toml-0.5)
-        ("rust-vcpkg" ,rust-vcpkg-0.2)
+        ("rust-url" ,rust-url-2)
+        ("rust-watchexec" ,rust-watchexec-1)
         ("rust-zip" ,rust-zip-0.5))
        #:cargo-development-inputs
        (("rust-filetime" ,rust-filetime-0.2)
@@ -639,8 +644,7 @@ (define-public tectonic
            (lambda* (#:key outputs #:allow-other-keys)
              (let* ((out (assoc-ref outputs "out"))
                     (doc (string-append out "/share/doc/" ,name "-" ,version)))
-               (copy-recursively "docs/src" doc)
-               #t))))))
+               (copy-recursively "docs/src" doc)))))))
     (native-inputs
      `(("pkg-config" ,pkg-config)))
     (inputs