diff --git a/.github/workflows/docs-check.yml b/.github/workflows/docs-check.yml
index 13537a2768d6..78ef10f23031 100644
--- a/.github/workflows/docs-check.yml
+++ b/.github/workflows/docs-check.yml
@@ -31,12 +31,8 @@ jobs:
         working-directory: ./docs
     steps:
       - uses: actions/checkout@v6
-      - uses: actions/setup-node@v6
-        with:
-          node-version: 20
-          package-manager-cache: false
-      - run: corepack enable
-      - run: make format-spellcheck-dictionary-check
+      - uses: jdx/mise-action@v3
+      - run: mise run docs:format-spellcheck-dictionary-check
       - run: yarn --immutable
       - run: yarn typecheck
       - run: yarn spellcheck
diff --git a/docs/Makefile b/docs/Makefile
deleted file mode 100644
index 306eeeb4f24c..000000000000
--- a/docs/Makefile
+++ /dev/null
@@ -1,9 +0,0 @@
-SPELLCHECK_DICTIONARY=./dictionary.txt
-format-spellcheck-dictionary:
-	@cat $(SPELLCHECK_DICTIONARY) | sort --ignore-case | uniq > $(SPELLCHECK_DICTIONARY).tmp
-	@mv $(SPELLCHECK_DICTIONARY).tmp $(SPELLCHECK_DICTIONARY)
-
-format-spellcheck-dictionary-check:
-	@cat $(SPELLCHECK_DICTIONARY) | sort --ignore-case | uniq > $(SPELLCHECK_DICTIONARY).tmp
-	@diff $(SPELLCHECK_DICTIONARY) $(SPELLCHECK_DICTIONARY).tmp
-	@rm $(SPELLCHECK_DICTIONARY).tmp
diff --git a/mise.toml b/mise.toml
index c5454a19b762..ffc833a3d3ac 100644
--- a/mise.toml
+++ b/mise.toml
@@ -170,6 +170,25 @@ run = '''
 cargo llvm-cov -p forest-filecoin --codecov --output-path lcov.info
 '''
 
+[tasks."docs:format-spellcheck-dictionary"]
+description = "Format and deduplicate the spellcheck dictionary."
+dir = "docs"
+run = '''
+TMPFILE=$(mktemp)
+cat dictionary.txt | sort --ignore-case | uniq > "$TMPFILE"
+mv "$TMPFILE" dictionary.txt
+'''
+
+[tasks."docs:format-spellcheck-dictionary-check"]
+description = "Check if spellcheck dictionary is properly formatted."
+dir = "docs"
+run = '''
+TMPFILE=$(mktemp)
+trap "rm -f $TMPFILE" EXIT
+cat dictionary.txt | sort --ignore-case | uniq > "$TMPFILE"
+diff dictionary.txt "$TMPFILE"
+'''
+
 [tools]
 cargo-binstall = "1.16.6"
 go = "1.25.5"