diff --git a/Dockerfile.try b/Dockerfile.try
index 8f720ceb..95922f09 100644
--- a/Dockerfile.try
+++ b/Dockerfile.try
@@ -40,7 +40,7 @@ USER postgres
 ENV USER postgres
 
 # Install Rust
-RUN wget -qO- https://sh.rustup.rs | sh -s -- -y --profile minimal --default-toolchain=1.69.0
+RUN wget -qO- https://sh.rustup.rs | sh -s -- -y --profile minimal --default-toolchain=1.70.0
 ENV PATH="/var/lib/postgresql/.cargo/bin:${PATH}"
 
 # Copy in plrust source
diff --git a/doc/src/install-plrust-on-debian-ubuntu.md b/doc/src/install-plrust-on-debian-ubuntu.md
index c70ee5aa..363a16b1 100644
--- a/doc/src/install-plrust-on-debian-ubuntu.md
+++ b/doc/src/install-plrust-on-debian-ubuntu.md
@@ -28,7 +28,7 @@ Where:
 Example:
 
 ```
-plrust-trusted-1.2.3_1.69.0-debian-pg15-amd64.deb
+plrust-trusted-1.2.3_1.70.0-debian-pg15-amd64.deb
 ```
 
 ## Preparing the environment
diff --git a/plrust/build b/plrust/build
index 6acccd22..347d57cc 100755
--- a/plrust/build
+++ b/plrust/build
@@ -42,7 +42,7 @@ fi
         git pull
         git submodule update --init --recursive
     else
-        git clone https://github.com/tcdi/postgrestd.git --branch "rust-1.69.0" --recurse-submodules
+        git clone https://github.com/tcdi/postgrestd.git --branch "rust-1.70.0" --recurse-submodules
         cd ./postgrestd
     fi
     rm --force rust-toolchain.toml
diff --git a/plrustc/build.sh b/plrustc/build.sh
index 4c6bbf19..dabc6aa8 100755
--- a/plrustc/build.sh
+++ b/plrustc/build.sh
@@ -25,8 +25,8 @@ fi
 export RUSTC_BOOTSTRAP=1
 
 version=$($RUSTC --version | cut -d ' ' -f 2)
-if [ "$version" != "1.69.0" ]; then
-    echo "rustc ('$RUSTC') is not version 1.69.0" >&2
+if [ "$version" != "1.70.0" ]; then
+    echo "rustc ('$RUSTC') is not version 1.70.0" >&2
     exit 1
 fi
 
diff --git a/plrustc/plrustc/src/main.rs b/plrustc/plrustc/src/main.rs
index 4b5d060e..42228213 100644
--- a/plrustc/plrustc/src/main.rs
+++ b/plrustc/plrustc/src/main.rs
@@ -281,6 +281,13 @@ impl FileLoader for ErrorHidingFileLoader {
             replacement_error()
         })
     }
+
+    fn read_binary_file(&self, path: &Path) -> std::io::Result<Vec<u8>> {
+        std::fs::read(path).map_err(|_| {
+            // TODO: Should there be a way to preserve errors for debugging?
+            replacement_error()
+        })
+    }
 }
 
 struct PlrustcFileLoader {
@@ -315,6 +322,14 @@ impl FileLoader for PlrustcFileLoader {
             Err(replacement_error())
         }
     }
+
+    fn read_binary_file(&self, path: &Path) -> std::io::Result<Vec<u8>> {
+        if path.exists() && !path.is_dir() && self.is_inside_allowed_dir(path) {
+            ErrorHidingFileLoader.read_binary_file(path)
+        } else {
+            Err(replacement_error())
+        }
+    }
 }
 
 /// Get the sysroot, looking from most specific to this invocation to the
diff --git a/plrustc/plrustc/uitests/ice_hook.stderr b/plrustc/plrustc/uitests/ice_hook.stderr
index 75da94d8..9e301268 100644
--- a/plrustc/plrustc/uitests/ice_hook.stderr
+++ b/plrustc/plrustc/uitests/ice_hook.stderr
@@ -9,3 +9,4 @@ note: Please file a bug report at <https://github.com/tcdi/plrust/issues/new>
 
 note: plrustc version: <version here>
 
+thread panicked while panicking. aborting.
diff --git a/plrustc/rust-toolchain.toml b/plrustc/rust-toolchain.toml
index 59557564..443740e9 100644
--- a/plrustc/rust-toolchain.toml
+++ b/plrustc/rust-toolchain.toml
@@ -1,5 +1,5 @@
 [toolchain]
-channel = "1.69.0"
+channel = "1.70.0"
 components = [ "rustfmt", "rust-src", "rustc-dev", "cargo", "llvm-tools" ]
 targets = [ ]
 profile = "minimal"
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 6bb732f6..0722528e 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,5 +1,5 @@
 [toolchain]
-channel = "1.69.0"
-components = [ "rustfmt", "rust-src", "rustc-dev" ]
+channel = "1.70.0"
+components = [ "rustfmt", "rust-src", "rustc-dev", "llvm-tools" ]
 targets = [ ]
 profile = "minimal"