diff --git a/src/exec/Cargo.lock b/src/exec/Cargo.lock
index 004c2d6f..128acefe 100644
--- a/src/exec/Cargo.lock
+++ b/src/exec/Cargo.lock
@@ -419,7 +419,7 @@ dependencies = [
 
 [[package]]
 name = "occlum_exec"
-version = "0.27.3"
+version = "0.28.0"
 dependencies = [
  "chrono 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "clap 2.33.0 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/src/exec/Cargo.toml b/src/exec/Cargo.toml
index a2380e1a..8094df8e 100644
--- a/src/exec/Cargo.toml
+++ b/src/exec/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "occlum_exec"
-version = "0.27.3"
+version = "0.28.0"
 edition = "2018"
 
 [lib]
diff --git a/src/libos/Cargo.lock b/src/libos/Cargo.lock
index c12271e8..a6e297f8 100644
--- a/src/libos/Cargo.lock
+++ b/src/libos/Cargo.lock
@@ -4,7 +4,7 @@ version = 3
 
 [[package]]
 name = "Occlum"
-version = "0.27.3"
+version = "0.28.0"
 dependencies = [
  "aligned",
  "atomic",
diff --git a/src/libos/Cargo.toml b/src/libos/Cargo.toml
index ecc6fda0..fdef9ec0 100644
--- a/src/libos/Cargo.toml
+++ b/src/libos/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "Occlum"
-version = "0.27.3"
+version = "0.28.0"
 edition = "2018"
 
 [lib]
diff --git a/src/pal/include/occlum_version.h b/src/pal/include/occlum_version.h
index 84a1cf7e..a7e1b9ae 100644
--- a/src/pal/include/occlum_version.h
+++ b/src/pal/include/occlum_version.h
@@ -3,10 +3,10 @@
 #ifndef _OCCLUM_VERSION_H_
 #define _OCCLUM_VERSION_H_
 
-// Version = 0.27.3
+// Version = 0.28.0
 #define OCCLUM_MAJOR_VERSION    0
-#define OCCLUM_MINOR_VERSION    27
-#define OCCLUM_PATCH_VERSION    3
+#define OCCLUM_MINOR_VERSION    28
+#define OCCLUM_PATCH_VERSION    0
 
 #define STRINGIZE_PRE(X) #X
 #define STRINGIZE(X) STRINGIZE_PRE(X)
diff --git a/tools/docker/Dockerfile.ubuntu20.04 b/tools/docker/Dockerfile.ubuntu20.04
index 7e4c8d50..e1445263 100644
--- a/tools/docker/Dockerfile.ubuntu20.04
+++ b/tools/docker/Dockerfile.ubuntu20.04
@@ -86,8 +86,8 @@ RUN curl https://sh.rustup.rs -sSf | \
     cargo -V
 
 # Install SGX PSW
-ARG PSW_VERSION=2.15.101.1
-ARG DCAP_VERSION=1.12.101.1
+ARG PSW_VERSION=2.16.100.4
+ARG DCAP_VERSION=1.13.100.4
 RUN apt-get update && aptitude install -y \
         libsgx-launch-dev=$PSW_VERSION-focal1 \
         libsgx-epid-dev=$PSW_VERSION-focal1 \
@@ -125,7 +125,7 @@ RUN apt-get update && aptitude install -y \
 
 # Install SGX SDK
 WORKDIR /tmp
-RUN git clone -b sgx_2.15.1_for_occlum https://github.com/occlum/linux-sgx && \
+RUN git clone -b sgx_2.16_for_occlum https://github.com/occlum/linux-sgx && \
     mkdir /etc/init && \
     cd linux-sgx && \
     make preparation && \