diff --git a/Cargo.lock b/Cargo.lock
index ea2c84de33a65..003d6f8184af4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -998,15 +998,6 @@ dependencies = [
  "byteorder",
 ]
 
-[[package]]
-name = "deflate"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c86f7e25f518f4b81808a2cf1c50996a61f5c2eb394b2393bd87f2a4780a432f"
-dependencies = [
- "adler32",
-]
-
 [[package]]
 name = "derivative"
 version = "2.2.0"
@@ -2039,9 +2030,9 @@ dependencies = [
 
 [[package]]
 name = "miniz_oxide"
-version = "0.5.1"
+version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d2b29bd4bc3f33391105ebee3589c19197c4271e3e5a9ec9bfe8127eeff8f082"
+checksum = "b275950c28b37e794e8c55d88aeb5e139d0ce23fdbbeda68f8d7174abdf9e8fa"
 dependencies = [
  "adler",
 ]
@@ -2608,20 +2599,20 @@ checksum = "3c3287920cb847dee3de33d301c463fba14dda99db24214ddf93f83d3021f4c6"
 dependencies = [
  "bitflags",
  "crc32fast",
- "deflate 0.8.6",
+ "deflate",
  "miniz_oxide 0.3.7",
 ]
 
 [[package]]
 name = "png"
-version = "0.17.3"
+version = "0.17.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e8f1882177b17c98ec33a51f5910ecbf4db92ca0def706781a1f8d0c661f393"
+checksum = "5d708eaf860a19b19ce538740d2b4bdeeb8337fa53f7738455e706623ad5c638"
 dependencies = [
  "bitflags",
  "crc32fast",
- "deflate 1.0.0",
- "miniz_oxide 0.5.1",
+ "flate2",
+ "miniz_oxide 0.6.2",
 ]
 
 [[package]]
@@ -2923,7 +2914,7 @@ dependencies = [
  "num-derive",
  "num-traits",
  "percent-encoding",
- "png 0.17.3",
+ "png 0.17.7",
  "quick-xml",
  "rand",
  "regress",
@@ -2977,7 +2968,7 @@ dependencies = [
  "js-sys",
  "log",
  "percent-encoding",
- "png 0.17.3",
+ "png 0.17.7",
  "ruffle_core",
  "ruffle_web_common",
  "svg",
diff --git a/core/Cargo.toml b/core/Cargo.toml
index 8d723e75b71e2..9d2ff0291fb60 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -16,7 +16,7 @@ gif = "0.11.3"
 indexmap = "1.8.0"
 log = "0.4"
 minimp3 = { version = "0.5.1", optional = true }
-png = { version = "0.17.3" }
+png = { version = "0.17.7" }
 ruffle_macros = { path = "macros" }
 swf = { path = "../swf" }
 bitflags = "1.3.2"
diff --git a/render/canvas/Cargo.toml b/render/canvas/Cargo.toml
index 10ff67d3777b7..25fc9277416d8 100644
--- a/render/canvas/Cargo.toml
+++ b/render/canvas/Cargo.toml
@@ -16,7 +16,7 @@ log = "0.4"
 ruffle_web_common = { path = "../../web/common" }
 svg = "0.10.0"
 percent-encoding = "2.1.0"
-png = "0.17.3"
+png = "0.17.7"
 wasm-bindgen = "=0.2.78"
 
 [dependencies.jpeg-decoder]