diff --git a/.github/scripts/install_sgx_sdk.sh b/.github/scripts/install_sgx_sdk.sh
index 40a3dcf..8772198 100644
--- a/.github/scripts/install_sgx_sdk.sh
+++ b/.github/scripts/install_sgx_sdk.sh
@@ -7,20 +7,20 @@ if [ $# -eq 0 ]; then
 fi
 SDK_DIR_PREFIX=$1
 
-DCAP_VERSION=1.23.100.0-jammy1
+DCAP_VERSION=1.23.100.0-noble1
 # create tmp dir
 TMP_DIR=$(mktemp -d)
 echo "Created temp dir: $TMP_DIR"
 cd $TMP_DIR
 
-wget https://download.01.org/intel-sgx/sgx-dcap/1.21/linux/distro/ubuntu22.04-server/sgx_linux_x64_sdk_2.24.100.3.bin -O sgx_linux_x64_sdk.bin
+wget https://download.01.org/intel-sgx/sgx-dcap/1.23/linux/distro/ubuntu24.04-server/sgx_linux_x64_sdk_2.26.100.0.bin -O sgx_linux_x64_sdk.bin
 chmod a+x sgx_linux_x64_sdk.bin
 ./sgx_linux_x64_sdk.bin --prefix=$SDK_DIR_PREFIX
 rm -rf ./sgx_linux_x64_sdk.bin
 
 wget https://download.01.org/intel-sgx/sgx_repo/ubuntu/intel-sgx-deb.key
 cat intel-sgx-deb.key | tee /etc/apt/keyrings/intel-sgx-keyring.asc > /dev/null
-echo 'deb [signed-by=/etc/apt/keyrings/intel-sgx-keyring.asc arch=amd64] https://download.01.org/intel-sgx/sgx_repo/ubuntu jammy main' | tee /etc/apt/sources.list.d/intel-sgx.list
+echo 'deb [signed-by=/etc/apt/keyrings/intel-sgx-keyring.asc arch=amd64] https://download.01.org/intel-sgx/sgx_repo/ubuntu noble main' | tee /etc/apt/sources.list.d/intel-sgx.list
 
 apt-get update -y
 apt-get install -y libsgx-dcap-ql=$DCAP_VERSION libsgx-dcap-ql-dev=$DCAP_VERSION
\ No newline at end of file
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index eb70b24..a8ff126 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -8,11 +8,11 @@ on:
 
 jobs:
   test:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     env:
       SGX_MODE: SW
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions-rust-lang/setup-rust-toolchain@v1
         with:
           toolchain: nightly-2025-12-05
diff --git a/Makefile b/Makefile
index 9df92d4..620aca5 100644
--- a/Makefile
+++ b/Makefile
@@ -42,13 +42,13 @@ enclave-test:
 untrusted-test:
 	@echo "Running untrusted crate tests..."
 	@echo "Testing sgx-types..."
-	@cd sgx-types && cargo test --features urts
+	@cargo +stable test --manifest-path sgx-types/Cargo.toml --features urts
 	@echo "Testing sgx-urts..."
-	@cd sgx-urts && cargo test --features simulate_utils
+	@cargo +stable test --manifest-path sgx-urts/Cargo.toml --no-default-features --features simulate_utils
 	@echo "Testing sgx-build..."
-	@cd sgx-build && cargo test
+	@cargo +stable test --manifest-path sgx-build/Cargo.toml
 	@echo "Testing cargo-sgx..."
-	@cd cargo-sgx && cargo test
+	@cargo +stable test --manifest-path cargo-sgx/Cargo.toml
 
 .PHONY: toml-fmt
 toml-fmt:
diff --git a/samples/hello-rust/Makefile b/samples/hello-rust/Makefile
index a7e82bc..21083ef 100644
--- a/samples/hello-rust/Makefile
+++ b/samples/hello-rust/Makefile
@@ -1,5 +1,5 @@
 # Paths
-SGX_SDK ?= /opt/sgxsdk
+SGX_SDK ?= /opt/intel/sgxsdk
 DEBUG := 0
 ifeq ($(DEBUG), 0)
 	PROFILE := release
diff --git a/sgx-urts/Cargo.toml b/sgx-urts/Cargo.toml
index ff545d9..2e88a0c 100644
--- a/sgx-urts/Cargo.toml
+++ b/sgx-urts/Cargo.toml
@@ -12,10 +12,11 @@ name       = "sgx_urts"
 crate-type = ["rlib"]
 
 [features]
-default        = []
+default        = ["signal"]
 global_init    = ["global_exit"]
 global_exit    = ["global_init"]
 simulate_utils = ["tracing", "object", "iced-x86"]
+signal         = []
 
 [dependencies]
 sgx-types = { path = "../sgx-types", default-features = false, features = ["urts"] }
diff --git a/sgx-urts/src/lib.rs b/sgx-urts/src/lib.rs
index a4e8aed..f0532fc 100644
--- a/sgx-urts/src/lib.rs
+++ b/sgx-urts/src/lib.rs
@@ -15,7 +15,7 @@
 // specific language governing permissions and limitations
 // under the License..
 
-#![feature(linkage)]
+#![cfg_attr(feature = "signal", feature(linkage))]
 #![allow(clippy::not_unsafe_ptr_arg_deref)]
 
 pub mod asyncio;
@@ -27,6 +27,7 @@ pub mod mem;
 pub mod net;
 pub mod pipe;
 pub mod process;
+#[cfg(feature = "signal")]
 pub mod signal;
 #[cfg(feature = "simulate_utils")]
 pub mod simulate;
diff --git a/unit-test/Makefile b/unit-test/Makefile
index a7e82bc..21083ef 100644
--- a/unit-test/Makefile
+++ b/unit-test/Makefile
@@ -1,5 +1,5 @@
 # Paths
-SGX_SDK ?= /opt/sgxsdk
+SGX_SDK ?= /opt/intel/sgxsdk
 DEBUG := 0
 ifeq ($(DEBUG), 0)
 	PROFILE := release