diff --git a/Cargo.lock b/Cargo.lock
index 0f7b9ecf..26217652 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -39,9 +39,9 @@ dependencies = [
 
 [[package]]
 name = "anyhow"
-version = "1.0.54"
+version = "1.0.55"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a99269dff3bc004caa411f38845c20303f1e393ca2bd6581576fa3a7f59577d"
+checksum = "159bb86af3a200e19a068f4224eae4c8bb2d0fa054c7e5d1cacd5cef95e684cd"
 
 [[package]]
 name = "atty"
@@ -183,9 +183,9 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "3.1.0"
+version = "3.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e5f1fea81f183005ced9e59cdb01737ef2423956dac5a6d731b06b2ecfaa3467"
+checksum = "5177fac1ab67102d8989464efd043c6ff44191b1557ec1ddd489b4f7e1447e77"
 dependencies = [
  "atty",
  "bitflags",
@@ -200,9 +200,9 @@ dependencies = [
 
 [[package]]
 name = "clap_derive"
-version = "3.1.0"
+version = "3.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5fd1122e63869df2cb309f449da1ad54a7c6dfeb7c7e6ccd8e0825d9eb93bb72"
+checksum = "01d42c94ce7c2252681b5fed4d3627cc807b13dfc033246bd05d5b252399000e"
 dependencies = [
  "heck",
  "proc-macro-error",
@@ -439,9 +439,9 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.4"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "418d37c8b1d42553c93648be529cb70f920d3baf8ef469b74b9638df426e0b4c"
+checksum = "d39cd93900197114fa1fcb7ae84ca742095eed9442088988ae74fa744e930e77"
 dependencies = [
  "cfg-if",
  "js-sys",
@@ -841,7 +841,7 @@ dependencies = [
 name = "oxigraph_server"
 version = "0.3.0-beta.4"
 dependencies = [
- "clap 3.1.0",
+ "clap 3.1.2",
  "flate2",
  "oxhttp",
  "oxigraph",
@@ -856,7 +856,7 @@ name = "oxigraph_testsuite"
 version = "0.3.0-beta.4"
 dependencies = [
  "anyhow",
- "clap 3.1.0",
+ "clap 3.1.2",
  "criterion",
  "oxigraph",
  "text-diff",
@@ -1375,9 +1375,9 @@ dependencies = [
 
 [[package]]
 name = "semver"
-version = "1.0.5"
+version = "1.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0486718e92ec9a68fbed73bb5ef687d71103b142595b406835649bebd33f72c7"
+checksum = "a4a3381e03edd24287172047536f20cabde766e2cd3e65e6b00fb3af51c4f38d"
 
 [[package]]
 name = "serde"
diff --git a/python/src/sparql.rs b/python/src/sparql.rs
index 06344773..f4ddb924 100644
--- a/python/src/sparql.rs
+++ b/python/src/sparql.rs
@@ -128,6 +128,7 @@ impl PyQuerySolution {
         }
     }
 
+    #[allow(clippy::unnecessary_to_owned)]
     fn __iter__(&self) -> SolutionValueIter {
         SolutionValueIter {
             inner: self.inner.values().to_vec().into_iter(),