diff --git a/.appveyor.yml b/.appveyor.yml
index 0224cc2..fba9a7a 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -22,7 +22,7 @@ install:
   - curl -sSf -o rustup-init.exe https://win.rustup.rs
   - rustup-init.exe -y --default-host %TARGET% --default-toolchain none --no-modify-path
   - rustup --version
-  - rustup toolchain install --profile minimal beta-%TARGET% 1.43.0-%TARGET%
+  - rustup toolchain install --profile minimal beta-%TARGET% 1.44.0-%TARGET%
   - rustup component add --toolchain beta-%TARGET% rustfmt clippy
 
 build: false
@@ -51,7 +51,7 @@ test_script:
   - cargo +beta-%TARGET% check --all-targets --features fail-on-warnings
   - cargo +beta-%TARGET% test --release --features "fail-on-warnings az f16 serde"
   - cargo +beta-%TARGET% fmt -- --check
-  - cargo +1.43.0-%TARGET% test --lib --features "fail-on-warnings az f16 serde"
+  - cargo +1.44.0-%TARGET% test --lib --features "fail-on-warnings az f16 serde"
 
 after_test:
   - bash -c "if [ -d $USERPROFILE/.cargo/registry/cache ]; then cd $USERPROFILE/.cargo/registry; for c in cache/*/*.crate; do s=src/${c#cache/}; if [ ! -e ${s/.crate/} ]; then rm -v $c; fi; done; find cache -name \*.crate | sort; fi"
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f8091c8..4de7b6e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -9,7 +9,7 @@ before_script:
   - getconf LONG_BIT
   - rustup self update
   - rustup --version
-  - rustup toolchain install --profile minimal beta-$TARGET 1.43.0-$TARGET
+  - rustup toolchain install --profile minimal beta-$TARGET 1.44.0-$TARGET
   - rustup component add --toolchain beta-$TARGET rustfmt clippy
   - if [ -d cargo/registry/cache ]; then rm -rf $CARGO_HOME/registry/cache; mkdir -p $CARGO_HOME/registry; cp -R cargo/registry/cache $CARGO_HOME/registry/; echo Copied registry/cache; fi
   - if [ -d $CARGO_HOME/registry/src ]; then rm -r $CARGO_HOME/registry/src; fi
@@ -50,8 +50,8 @@ x86_64-gnulinux:
   - cargo +beta-$TARGET test --features "fail-on-warnings az f16 serde std"
   - cargo +beta-$TARGET test --release --features "fail-on-warnings az f16 serde std"
   - cargo +beta-$TARGET fmt -- --check
-  - cargo +1.43.0-$TARGET test --lib --features "fail-on-warnings az f16 serde std"
-  - cargo +1.43.0-$TARGET test --release --lib --features "fail-on-warnings az f16 serde std"
+  - cargo +1.44.0-$TARGET test --lib --features "fail-on-warnings az f16 serde std"
+  - cargo +1.44.0-$TARGET test --release --lib --features "fail-on-warnings az f16 serde std"
 
 i686-gnulinux:
   image: i386/rust:1
@@ -82,8 +82,8 @@ i686-gnulinux:
   - cargo +beta-$TARGET test --features "fail-on-warnings f16 serde"
   - cargo +beta-$TARGET test --release --features "fail-on-warnings az f16 serde std"
   - cargo +beta-$TARGET fmt -- --check
-  - cargo +1.43.0-$TARGET test --lib --features "fail-on-warnings az f16 serde std"
-  - cargo +1.43.0-$TARGET test --release --lib --features "fail-on-warnings az f16 serde std"
+  - cargo +1.44.0-$TARGET test --lib --features "fail-on-warnings az f16 serde std"
+  - cargo +1.44.0-$TARGET test --release --lib --features "fail-on-warnings az f16 serde std"
 
 x86_64-gnulinux-tarpaulin:
   image: amd64/rust:1
diff --git a/README.md b/README.md
index 17f5f8e..6e67030 100644
--- a/README.md
+++ b/README.md
@@ -80,9 +80,21 @@ The conversions supported cover the following cases.
 
 ### Version 1.0.0 news (unreleased)
 
-  * The crate now requires rustc version 1.43.0 or later.
+  * The crate now requires rustc version 1.44.0 or later.
+  * The following methods are now `const` functions:
+      * [`from_be_bytes`][f-fbb-1-0], [`from_le_bytes`][f-flb-1-0],
+        [`from_ne_bytes`][f-fnb-1-0]
+      * [`to_be_bytes`][f-tbb-1-0], [`to_le_bytes`][f-tlb-1-0],
+        [`to_ne_bytes`][f-tnb-1-0]
   * All deprecated items were removed.
 
+[f-fbb-1-0]: https://tspiteri.gitlab.io/fixed/dev/fixed/struct.FixedI32.html#method.from_be_bytes
+[f-flb-1-0]: https://tspiteri.gitlab.io/fixed/dev/fixed/struct.FixedI32.html#method.from_le_bytes
+[f-fnb-1-0]: https://tspiteri.gitlab.io/fixed/dev/fixed/struct.FixedI32.html#method.from_ne_bytes
+[f-tbb-1-0]: https://tspiteri.gitlab.io/fixed/dev/fixed/struct.FixedI32.html#method.to_be_bytes
+[f-tlb-1-0]: https://tspiteri.gitlab.io/fixed/dev/fixed/struct.FixedI32.html#method.to_le_bytes
+[f-tnb-1-0]: https://tspiteri.gitlab.io/fixed/dev/fixed/struct.FixedI32.html#method.to_ne_bytes
+
 ### Version 0.5.7 news (2020-05-11)
 
   * The [`LosslessTryFrom`][ltf-0-5-7] and
@@ -204,7 +216,7 @@ it in your crate, add it as a dependency inside [*Cargo.toml*]:
 fixed = "0.5.7"
 ```
 
-The *fixed* crate requires rustc version 1.43.0 or later.
+The *fixed* crate requires rustc version 1.44.0 or later.
 
 ## Optional features
 
diff --git a/RELEASES.md b/RELEASES.md
index b682bd6..2276f4d 100644
--- a/RELEASES.md
+++ b/RELEASES.md
@@ -8,9 +8,21 @@ as-is, without any warranty. -->
 Version 1.0.0 (unreleased)
 ==========================
 
-  * The crate now requires rustc version 1.43.0 or later.
+  * The crate now requires rustc version 1.44.0 or later.
+  * The following methods are now `const` functions:
+      * [`from_be_bytes`][f-fbb-1-0], [`from_le_bytes`][f-flb-1-0],
+        [`from_ne_bytes`][f-fnb-1-0]
+      * [`to_be_bytes`][f-tbb-1-0], [`to_le_bytes`][f-tlb-1-0],
+        [`to_ne_bytes`][f-tnb-1-0]
   * All deprecated items were removed.
 
+[f-fbb-1-0]: https://tspiteri.gitlab.io/fixed/dev/fixed/struct.FixedI32.html#method.from_be_bytes
+[f-flb-1-0]: https://tspiteri.gitlab.io/fixed/dev/fixed/struct.FixedI32.html#method.from_le_bytes
+[f-fnb-1-0]: https://tspiteri.gitlab.io/fixed/dev/fixed/struct.FixedI32.html#method.from_ne_bytes
+[f-tbb-1-0]: https://tspiteri.gitlab.io/fixed/dev/fixed/struct.FixedI32.html#method.to_be_bytes
+[f-tlb-1-0]: https://tspiteri.gitlab.io/fixed/dev/fixed/struct.FixedI32.html#method.to_le_bytes
+[f-tnb-1-0]: https://tspiteri.gitlab.io/fixed/dev/fixed/struct.FixedI32.html#method.to_ne_bytes
+
 Version 0.5.7 (2020-05-11)
 ==========================
 
diff --git a/src/lib.rs b/src/lib.rs
index cfbfd82..9bb6ff6 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -150,7 +150,7 @@ it in your crate, add it as a dependency inside [*Cargo.toml*]:
 fixed = "0.5.7"
 ```
 
-The *fixed* crate requires rustc version 1.43.0 or later.
+The *fixed* crate requires rustc version 1.44.0 or later.
 
 ## Optional features
 
diff --git a/src/macros_no_frac.rs b/src/macros_no_frac.rs
index 7a18ab5..2045671 100644
--- a/src/macros_no_frac.rs
+++ b/src/macros_no_frac.rs
@@ -107,7 +107,7 @@ assert_eq!(
 ```
 ";
                 #[inline]
-                pub fn from_be_bytes(bytes: [u8; $nbytes]) -> $Fixed<Frac> {
+                pub const fn from_be_bytes(bytes: [u8; $nbytes]) -> $Fixed<Frac> {
                     $Fixed::from_bits(<$Inner>::from_be_bytes(bytes))
                 }
             }
@@ -128,7 +128,7 @@ assert_eq!(
 ```
 ";
                 #[inline]
-                pub fn from_le_bytes(bytes: [u8; $nbytes]) -> $Fixed<Frac> {
+                pub const fn from_le_bytes(bytes: [u8; $nbytes]) -> $Fixed<Frac> {
                     $Fixed::from_bits(<$Inner>::from_le_bytes(bytes))
                 }
             }
@@ -153,7 +153,7 @@ assert_eq!(
 ```
 ";
                 #[inline]
-                pub fn from_ne_bytes(bytes: [u8; $nbytes]) -> $Fixed<Frac> {
+                pub const fn from_ne_bytes(bytes: [u8; $nbytes]) -> $Fixed<Frac> {
                     $Fixed::from_bits(<$Inner>::from_ne_bytes(bytes))
                 }
             }
@@ -175,7 +175,7 @@ assert_eq!(
 ```
 ";
                 #[inline]
-                pub fn to_be_bytes(self) -> [u8; $nbytes] {
+                pub const fn to_be_bytes(self) -> [u8; $nbytes] {
                     self.to_bits().to_be_bytes()
                 }
             }
@@ -197,7 +197,7 @@ assert_eq!(
 ```
 ";
                 #[inline]
-                pub fn to_le_bytes(self) -> [u8; $nbytes] {
+                pub const fn to_le_bytes(self) -> [u8; $nbytes] {
                     self.to_bits().to_le_bytes()
                 }
             }
@@ -223,7 +223,7 @@ assert_eq!(
 ```
 ";
                 #[inline]
-                pub fn to_ne_bytes(self) -> [u8; $nbytes] {
+                pub const fn to_ne_bytes(self) -> [u8; $nbytes] {
                     self.to_bits().to_ne_bytes()
                 }
             }