diff --git a/.gitlab/ci/gitaly.images.yml b/.gitlab/ci/gitaly.images.yml
index cc09233..ed2cbc0 100644
--- a/.gitlab/ci/gitaly.images.yml
+++ b/.gitlab/ci/gitaly.images.yml
@@ -19,9 +19,9 @@ gitaly:
     matrix:
       - OS: ['debian:bullseye']
         GOLANG: ['1.19', '1.20', '1.21']
-        RUST: ['1.65']
+        RUST: ['1.73']
         GIT: ['2.36']
       - OS: ['ubi:8.6']
         GOLANG: ['1.19', '1.20', '1.21']
-        RUST: ['1.65']
+        RUST: ['1.73']
         GIT: ['2.36']
diff --git a/.gitlab/ci/gitlab.images.yml b/.gitlab/ci/gitlab.images.yml
index 6e237eb..e6c46e1 100644
--- a/.gitlab/ci/gitlab.images.yml
+++ b/.gitlab/ci/gitlab.images.yml
@@ -43,7 +43,7 @@ gitlab:
         GIT: ['2.36']
         POSTGRESQL: ['12', '13', '14', '15']
         GOLANG: ['1.19', '1.20', '1.21']
-        RUST: ['1.65']
+        RUST: ['1.73']
         NODE: ['18.17']
         CHROME: ['113', '117']
 
@@ -101,10 +101,10 @@ gitlab-workhorse:
       - OS: ['debian:bullseye']
         RUBY: ['3.0', '3.1', '3.2']
         GOLANG: ['1.19', '1.20', '1.21']
-        RUST: ['1.65']
+        RUST: ['1.73']
         GIT: ['2.36']
       - OS: ['ubi:8.6']
         RUBY: ['3.0', '3.1', '3.2']
         GOLANG: ['1.19', '1.20', '1.21']
-        RUST: ['1.65']
+        RUST: ['1.73']
         GIT: ['2.36']
diff --git a/.gitlab/ci/kas.images.yml b/.gitlab/ci/kas.images.yml
index 1fc6d4f..7416444 100644
--- a/.gitlab/ci/kas.images.yml
+++ b/.gitlab/ci/kas.images.yml
@@ -13,7 +13,7 @@ gitlab-kas:
     - .kas
   variables:
     GOLANG: '1.19'
-    RUST: '1.65'
+    RUST: '1.73'
     LFS: '2.9'
     CHROME: '111'
     NODE: '18.17'
diff --git a/README.md b/README.md
index 93276a9..8357015 100644
--- a/README.md
+++ b/README.md
@@ -100,7 +100,7 @@ new_image:
     OS: 'debian:bullseye'
     RUBY: '3.0'
     GOLANG: '1.15'
-    RUST: '1.65.0'
+    RUST: '1.73.0'
     GIT: '2.29'
 ```
 
diff --git a/scripts/lib/custom-docker-build b/scripts/lib/custom-docker-build
index c2e6190..8b42fa0 100755
--- a/scripts/lib/custom-docker-build
+++ b/scripts/lib/custom-docker-build
@@ -71,6 +71,9 @@ function print_rust_args() {
         1.65)
             INSTALL_RUST_VERSION="1.65.0"
             ;;
+        1.73)
+            INSTALL_RUST_VERSION="1.73.0"
+            ;;
         *) fail "Unknown rust version $1" ;;
     esac
 
diff --git a/scripts/lib/custom-docker.sh b/scripts/lib/custom-docker.sh
index 27b59c7..ff5938a 100644
--- a/scripts/lib/custom-docker.sh
+++ b/scripts/lib/custom-docker.sh
@@ -10,7 +10,7 @@ TAG_TOOLS=(BUNDLER RUBYGEMS GIT LFS CHROME YARN GRAPHICSMAGICK EXIFTOOL BAZELISK
 # OS: debian:bullseye
 # RUBY: 3.0
 # GOLANG: 1.19
-# RUST: 1.65.0
+# RUST: 1.73.0
 # GIT: 2.33
 # POSTGRESQL: 11
 # With the above variables, this function will return
@@ -45,7 +45,7 @@ function get_image_path() {
 # OS: debian:bullseye
 # RUBY: 2.7
 # GOLANG: 1.19
-# RUST: 1.65.0
+# RUST: 1.73.0
 # GIT: 2.33
 # POSTGRESQL: 11
 # For that job, this function will return