diff --git a/.github/renovate.json b/.github/renovate.json
index 86741260..8e331a7f 100644
--- a/.github/renovate.json
+++ b/.github/renovate.json
@@ -42,6 +42,21 @@
       ],
       "versioningTemplate": "regex:^(?<compatibility>[\\S]*\\d+\\.\\d+(?:\\.\\d+)?(?:[\\S]*)?-alpine-?)(?<major>\\d+)\\.(?<minor>\\d+)(?:\\.(?<patch>\\d+))?$",
       "datasourceTemplate": "docker",
+    },
+    {
+      "customType": "regex",
+      "fileMatch": [
+        "^Earthfile$"
+      ],
+      "matchStringsStrategy": "recursive",
+      "matchStrings": [
+        "FROM\\s*.*?alpine[.:]?(?<alpineMajor>\\d+)\\.(?<alpineMinor>\\d+)(?:\\n|.)*",
+        "apk\\s+add\\s+(?:\\n|.)*?[^\\\\]\\n",
+        "(?<name>[^\\s=~]+)~?=(?<currentValue>[^\\s=]+)"
+      ],
+      "datasourceTemplate": "repology",
+      "depNameTemplate": "alpine_{{alpineMajor}}_{{alpineMinor}}/{{name}}",
+      "versioningTemplate": "loose"
     }
   ]
 }
diff --git a/Earthfile b/Earthfile
index b1debe34..ef491f6e 100644
--- a/Earthfile
+++ b/Earthfile
@@ -14,11 +14,9 @@ COPY_METADATA:
 
 rust-base:
     FROM rust:1.86.0-alpine3.20@sha256:2ee35275aeaa2e438f34a0563f7931988f5c5254e2eeec562f95a60ca2a2e7c3
-    # renovate: datasource=repology depName=alpine_3_20/bash versioning=loose
-    ENV BASH_VERSION="5.2.26-r0"
-    # renovate: datasource=repology depName=alpine_3_20/musl-dev versioning=loose
-    ENV MUSL_VERSION="1.2.5-r1"
-    RUN apk add --no-cache bash=$BASH_VERSION musl-dev=$MUSL_VERSION
+    RUN apk add --no-cache \
+        bash=5.2.26-r0 \
+        musl-dev=1.2.5-r1
     RUN rustup component add rustfmt clippy
     WORKDIR "/monkey_interpreter"
 
@@ -129,9 +127,8 @@ check-rust-linting:
 
 check-shell-linting:
     FROM +rust-base
-    # renovate: datasource=repology depName=alpine_3_20/shellcheck versioning=loose
-    ENV SHELLCHECK_VERSION="0.10.0-r1"
-    RUN apk add --no-cache shellcheck=$SHELLCHECK_VERSION
+    RUN apk add --no-cache \
+        shellcheck=0.10.0-r1
     DO +COPY_CI_DATA
     RUN ./ci/check-shell-linting.sh