diff --git a/ext/parsekit/Cargo.lock b/ext/parsekit/Cargo.lock
index c06cf16..7d03ae7 100644
--- a/ext/parsekit/Cargo.lock
+++ b/ext/parsekit/Cargo.lock
@@ -274,9 +274,9 @@ dependencies = [
 
 [[package]]
 name = "calamine"
-version = "0.36.1"
+version = "0.37.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5fa68281b1a76b54a62156474adb06bb380a67e07dd60656e3217152b42183f3"
+checksum = "c9ca341b94bc4b29e08970b1a03914fad2dfe177e2ecb67fcd6de9046004aafb"
 dependencies = [
  "atoi_simd",
  "byteorder",
@@ -284,9 +284,9 @@ dependencies = [
  "encoding_rs",
  "fast-float2",
  "log",
- "quick-xml 0.41.0",
+ "quick-xml 0.42.0",
  "serde",
- "zip 8.6.0",
+ "zip 9.0.4",
 ]
 
 [[package]]
@@ -1750,6 +1750,7 @@ version = "0.42.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "41b1177fdf999d2321d3fb46ff47159d9c1fb9ad66a4879f8c50a0b504615e9b"
 dependencies = [
+ "encoding_rs",
  "memchr",
 ]
 
diff --git a/ext/parsekit/Cargo.toml b/ext/parsekit/Cargo.toml
index 609a4fb..c962a70 100644
--- a/ext/parsekit/Cargo.toml
+++ b/ext/parsekit/Cargo.toml
@@ -18,7 +18,7 @@ mupdf = { version = "0.8", default-features = false, features = [] }
 # OCR - Using tesseract-rs for both system and bundled modes
 tesseract-rs = "0.4"  # Tesseract with optional bundling
 image = "0.25"  # Image processing library (match rusty-tesseract's version)
-calamine = "0.36"  # Excel parsing
+calamine = "0.37"  # Excel parsing
 docx-rs = "0.4"  # Word document parsing
 quick-xml = "0.42"  # XML parsing
 zip = "9.0"  # ZIP archive handling for PPTX