diff --git a/Cargo.lock b/Cargo.lock
index f9741bc50..e03c12217 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1822,9 +1822,9 @@ dependencies = [
 
 [[package]]
 name = "malachite-base"
-version = "0.8.0"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c0c91cb6071ed9ac48669d3c79bd2792db596c7e542dbadd217b385bb359f42d"
+checksum = "5eb2a098b227df48779e28ed4125dd3161b792a9254961377cea6f5c19e5b417"
 dependencies = [
  "hashbrown 0.16.1",
  "itertools 0.14.0",
@@ -1834,9 +1834,9 @@ dependencies = [
 
 [[package]]
 name = "malachite-bigint"
-version = "0.8.0"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ff3af5010102f29f2ef4ee6f7b1c5b3f08a6c261b5164e01c41cf43772b6f90"
+checksum = "6eaf19f1b8ba023528050372eafd72ca11f80f70c9dc2af9bb22f888bf079013"
 dependencies = [
  "malachite-base",
  "malachite-nz",
@@ -1847,9 +1847,9 @@ dependencies = [
 
 [[package]]
 name = "malachite-nz"
-version = "0.8.0"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d9ecf4dd76246fd622de4811097966106aa43f9cd7cc36cb85e774fe84c8adc"
+checksum = "ab7c0ddc4e2681459d70591baf30ca5abd31c25969e76d3605838bec794c8077"
 dependencies = [
  "itertools 0.14.0",
  "libm",
@@ -1859,9 +1859,9 @@ dependencies = [
 
 [[package]]
 name = "malachite-q"
-version = "0.8.0"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b7bc9d9adf5b0a7999d84f761c809bec3dc46fe983e4de547725d2b7730462a0"
+checksum = "e13d19f04fc672f251d477c8d58c13c6c5550553dfba6a665c9ad3604466ac9a"
 dependencies = [
  "itertools 0.14.0",
  "malachite-base",
diff --git a/Cargo.toml b/Cargo.toml
index a0c4a1493..1ef31f825 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -181,9 +181,9 @@ libc = "0.2.179"
 libffi = "5"
 log = "0.4.29"
 nix = { version = "0.30", features = ["fs", "user", "process", "term", "time", "signal", "ioctl", "socket", "sched", "zerocopy", "dir", "hostname", "net", "poll"] }
-malachite-bigint = "0.8"
-malachite-q = "0.8"
-malachite-base = "0.8"
+malachite-bigint = "0.9"
+malachite-q = "0.9"
+malachite-base = "0.9"
 memchr = "2.7.4"
 num-complex = "0.4.6"
 num-integer = "0.1.46"
diff --git a/crates/vm/src/stdlib/ctypes/simple.rs b/crates/vm/src/stdlib/ctypes/simple.rs
index de13dab22..b2ae0f7cc 100644
--- a/crates/vm/src/stdlib/ctypes/simple.rs
+++ b/crates/vm/src/stdlib/ctypes/simple.rs
@@ -141,11 +141,12 @@ fn set_primitive(_type_: &str, value: &PyObject, vm: &VirtualMachine) -> PyResul
             // Handle int specially to check overflow
             if let Some(int_obj) = value.downcast_ref_if_exact::<PyInt>(vm) {
                 // Check if int can fit in f64
-                if int_obj.as_bigint().to_f64().is_some() {
+                if let Some(f) = int_obj.as_bigint().to_f64()
+                    && f.is_finite()
+                {
                     return Ok(value.to_owned());
-                } else {
-                    return Err(vm.new_overflow_error("int too large to convert to float"));
                 }
+                return Err(vm.new_overflow_error("int too large to convert to float"));
             }
             // __float__ protocol
             if value.try_float(vm).is_ok() {