diff --git a/Cargo.lock b/Cargo.lock
index f789af73dff7..350d18374c4b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2167,7 +2167,7 @@ dependencies = [
  "mdbook",
  "mdbook-preprocessor-boilerplate",
  "prqlc",
- "pulldown-cmark 0.10.2",
+ "pulldown-cmark 0.10.3",
  "pulldown-cmark-to-cmark",
  "regex",
  "serde_json",
@@ -3015,9 +3015,9 @@ dependencies = [
 
 [[package]]
 name = "pulldown-cmark"
-version = "0.10.2"
+version = "0.10.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5f0530d13d87d1f549b66a3e8d0c688952abe5994e204ed62615baaf25dc029c"
+checksum = "76979bea66e7875e7509c4ec5300112b316af87fa7a252ca91c448b32dfe3993"
 dependencies = [
  "bitflags 2.4.2",
  "memchr",
@@ -3030,7 +3030,7 @@ version = "13.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f609795c8d835f79dcfcf768415b9fb57ef1b74891e99f86e73f43a7a257163b"
 dependencies = [
- "pulldown-cmark 0.10.2",
+ "pulldown-cmark 0.10.3",
 ]
 
 [[package]]
@@ -3547,18 +3547,18 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.198"
+version = "1.0.199"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9846a40c979031340571da2545a4e5b7c4163bdae79b301d5f86d03979451fcc"
+checksum = "0c9f6e76df036c77cd94996771fb40db98187f096dd0b9af39c6c6e452ba966a"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.198"
+version = "1.0.199"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e88edab869b01783ba905e7d0153f9fc1a6505a96e4ad3018011eedb838566d9"
+checksum = "11bd257a6541e141e42ca6d24ae26f7714887b47e89aa739099104c7e4d3b7fc"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/Cargo.toml b/Cargo.toml
index cfc99021dc90..33e3c5199561 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -50,4 +50,4 @@ insta = {version = "1.38.0", features = ["colors", "glob", "yaml"]}
 insta-cmd = "0.4.0"
 itertools = "0.12.0"
 log = "0.4.21"
-serde = {version = "1.0.198", features = ["derive"]}
+serde = {version = "1.0.199", features = ["derive"]}
diff --git a/prqlc/prqlc/Cargo.toml b/prqlc/prqlc/Cargo.toml
index c84bbfc85e85..ed05a84748c2 100644
--- a/prqlc/prqlc/Cargo.toml
+++ b/prqlc/prqlc/Cargo.toml
@@ -37,7 +37,8 @@ prqlc-ast = {path = "../prqlc-ast", version = "0.11.5"}
 prqlc-parser = {path = "../prqlc-parser", version = "0.11.5"}
 
 anstream = {version = "0.6.13", features = ["auto"]}
-ariadne = "0.4.0"
+# 0.4.1 causes breaking changes; TODO: resolve
+ariadne = "=0.4.0"
 chrono = "0.4.38"
 csv = "1.3.0"
 enum-as-inner = "0.6.0"
@@ -80,7 +81,9 @@ minijinja = {version = "=2.0.1", features = ["unstable_machinery"], optional = t
 
 # For integration tests. These are gated by the `test-dbs` and `test-dbs-external` features,
 # rather than dev-dependencies, because dev-dependencies can't be optional.
-duckdb = {version = "0.10.1", optional = true, features = ["bundled", "chrono"]}
+
+# TODO: 0.10.2 causes small breaking changes; resolve
+duckdb = {version = "=0.10.1", optional = true, features = ["bundled", "chrono"]}
 glob = {version = "0.3.1", optional = true}
 mysql = {version = "25", optional = true}
 pg_bigdecimal = {version = "0.1.0", optional = true}
diff --git a/prqlc/prqlc/tests/integration/dbs/protocol/duckdb.rs b/prqlc/prqlc/tests/integration/dbs/protocol/duckdb.rs
index f6e585a84733..7e7643039769 100644
--- a/prqlc/prqlc/tests/integration/dbs/protocol/duckdb.rs
+++ b/prqlc/prqlc/tests/integration/dbs/protocol/duckdb.rs
@@ -43,6 +43,8 @@ impl DbProtocolHandler for duckdb::Connection {
                     ValueRef::Blob(_) => "BLOB".to_string(),
                     ValueRef::Date32(v) => v.to_string(),
                     ValueRef::Time64(u, v) => format!("{v} {u:?}"),
+                    #[allow(unreachable_patterns)]
+                    _ => unimplemented!(),
                 };
                 columns.push(value);
             }
diff --git a/web/book/Cargo.toml b/web/book/Cargo.toml
index f064f86798ea..29081de6ed3d 100644
--- a/web/book/Cargo.toml
+++ b/web/book/Cargo.toml
@@ -23,7 +23,7 @@ itertools = {workspace = true}
 mdbook = {version = "0.4.36", default-features = false}
 mdbook-preprocessor-boilerplate = "0.1.2"
 prqlc = {path = "../../prqlc/prqlc", default-features = false}
-pulldown-cmark = {version = "0.10.2", default-features = false}
+pulldown-cmark = {version = "0.10.3", default-features = false}
 pulldown-cmark-to-cmark = "13.0.0"
 strum = {version = "0.26.2", features = ["std", "derive"]}
 strum_macros = "0.26.2"