diff --git a/README.md b/README.md
index c8af53e..78c8b54 100644
--- a/README.md
+++ b/README.md
@@ -34,6 +34,7 @@ jobs:
 | `ignore-compile` | If set to true, the Slither action will not attempt to compile the project. False by default. See [Advanced compilation](#advanced-compilation).
 | `fail-on`        | Cause the action to fail if Slither finds any issue of this severity or higher. See [action fail behavior](#action-fail-behavior).
 | `node-version`   | The version of `node` to use. If this field is not set, the latest version will be used.
+| `foundry-version`| The version of Foundry to use. If this field is not set, the latest nightly version will be used.
 | `sarif`          | If provided, the path of the SARIF file to produce, relative to the repo root (see [Github Code Scanning integration](#github-code-scanning-integration)).
 | `slither-args`   | Extra arguments to pass to Slither.
 | `slither-config` | The path to the Slither configuration file. By default, `./slither.config.json` is used if present. See [Configuration file](https://github.com/crytic/slither/wiki/Usage#configuration-file).
diff --git a/action.yml b/action.yml
index 75a2bb7..2622330 100644
--- a/action.yml
+++ b/action.yml
@@ -5,6 +5,8 @@ inputs:
     description: 'The version of solc to use. Should be autodetected, but may be specified manually.'
   node-version:
     description: 'The version of node to use.'
+  foundry-version:
+    description: 'The version of Foundry to use.'
   target:
     description: 'The path of the project that Slither should analyze, relative to the repo root.'
     default: .
diff --git a/entrypoint.sh b/entrypoint.sh
index f3d6e65..ac3979f 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -24,6 +24,7 @@ SLITHERCONF="$(get INPUT_SLITHER-CONFIG)"
 SLITHERPLUGINS="$(get INPUT_SLITHER-PLUGINS)"
 STDOUTFILE="/tmp/slither-stdout"
 IGNORECOMPILE="$(get INPUT_IGNORE-COMPILE)"
+FOUNDRYVER="$(get INPUT_FOUNDRY-VERSION)"
 
 # #19 - an user may set SOLC_VERSION in the workflow and cause problems here.
 # Make sure it's unset. If you need to use a different solc version, override
@@ -152,7 +153,12 @@ install_node()
 install_foundry()
 {
     if [[ -d "$TARGET" ]] && [[ -f "$TARGET/foundry.toml" ]]; then
-        echo "[-] Foundry target detected, installing foundry nightly"
+        if [[ -z "$FOUNDRYVER" ]]; then
+            FOUNDRYVER="nightly"
+            echo "[-] FOUNDRYVER was not set, using the nightly version."
+        fi
+
+        echo "[-] Foundry target detected, installing foundry $FOUNDRYVER"
 
         wget -q -O foundryup https://raw.githubusercontent.com/foundry-rs/foundry/7b452656f722fc560f0414db3ce24a1f2972a8b7/foundryup/foundryup
         if [ ! "e7628766329e2873484d5d633c750b5019eec77ae506c11a0ef13b440cc3e7c2  foundryup" = "$(sha256sum foundryup)" ]; then
@@ -163,7 +169,7 @@ install_foundry()
         export FOUNDRY_DIR="/opt/foundry"
         export PATH="$FOUNDRY_DIR/bin:$PATH"
         mkdir -p "$FOUNDRY_DIR/bin" "$FOUNDRY_DIR/share/man/man1"
-        bash foundryup
+        bash foundryup -- -v "$FOUNDRYVER"
         rm foundryup
     fi
 }