diff --git a/src/bagit/consts.rs b/src/bagit/consts.rs
index bef6d36..a8b391b 100644
--- a/src/bagit/consts.rs
+++ b/src/bagit/consts.rs
@@ -54,10 +54,11 @@ pub const LABEL_BAG_GROUP_IDENTIFIER: &str = "Bag-Group-Identifier";
 pub const LABEL_BAG_COUNT: &str = "Bag-Count";
 pub const LABEL_INTERNAL_SENDER_IDENTIFIER: &str = "Internal-Sender-Identifier";
 pub const LABEL_INTERNAL_SENDER_DESCRIPTION: &str = "Internal-Sender-Description";
+pub const LABEL_BAGIT_PROFILE_IDENTIFIER: &str = "BagIt-Profile-Identifier";
 
 /// Lookup table that indicates if a reserved bag-info label is repeatable. All label names are
 /// lowercased here.
-pub const LABEL_REPEATABLE: [(&str, bool); 15] = [
+pub const LABEL_REPEATABLE: [(&str, bool); 16] = [
     ("bagging-date", false),
     ("payload-oxum", false),
     ("bag-software-agent", false),
@@ -73,4 +74,5 @@ pub const LABEL_REPEATABLE: [(&str, bool); 15] = [
     ("bag-count", false),
     ("internal-sender-identifier", true),
     ("internal-sender-description", true),
+    ("bagit-profile-identifier", true),
 ];
diff --git a/src/bagit/tag.rs b/src/bagit/tag.rs
index 1a4e10a..0c24f82 100644
--- a/src/bagit/tag.rs
+++ b/src/bagit/tag.rs
@@ -294,6 +294,14 @@ impl BagInfo {
         self.get_tags(LABEL_INTERNAL_SENDER_DESCRIPTION)
     }
 
+    pub fn add_bagit_profile_identifier<S: AsRef<str>>(&mut self, value: S) -> Result<()> {
+        self.add_repeatable(LABEL_BAGIT_PROFILE_IDENTIFIER, value)
+    }
+
+    pub fn bagit_profile_identifier(&self) -> Box<dyn Iterator<Item = &Tag> + '_> {
+        self.get_tags(LABEL_BAGIT_PROFILE_IDENTIFIER)
+    }
+
     /// Adds a new tag by first removing all existing tags with the same label.
     fn add_non_repeatable<L: AsRef<str>, S: AsRef<str>>(
         &mut self,
diff --git a/src/bin/bagr.rs b/src/bin/bagr.rs
index 481990e..13d19f3 100644
--- a/src/bin/bagr.rs
+++ b/src/bin/bagr.rs
@@ -134,6 +134,10 @@ pub struct BagCmd {
     #[clap(long, value_name = "INT_SENDER_DESC", multiple_occurrences = true)]
     pub internal_sender_description: Vec<String>,
 
+    /// Value of the BagIt-Profile-Identifier tag in bag-info.txt. Maybe repeated.
+    #[clap(long, value_name = "PROFILE_ID", multiple_occurrences = true)]
+    pub bagit_profile_identifier: Vec<String>,
+
     /// A custom tag to add to bag-info.txt. Tags must be formatted as LABEL:VALUE
     #[clap(short, long, value_name = "LABEL:VALUE", multiple_occurrences = true)]
     pub tag: Vec<String>,
@@ -290,6 +294,9 @@ fn exec_bag(cmd: BagCmd) -> Result<Bag> {
     for id in cmd.internal_sender_identifier {
         bag_info.add_internal_sender_identifier(id)?;
     }
+    for profile in cmd.bagit_profile_identifier {
+        bag_info.add_bagit_profile_identifier(profile)?;
+    }
 
     for tag in cmd.tag {
         let split = tag.split_once(':').ok_or_else(|| InvalidTagLine {
diff --git a/tests/cmd/bag/basic-all-tags.out/bag-info.txt b/tests/cmd/bag/basic-all-tags.out/bag-info.txt
index a568695..b4986d3 100644
--- a/tests/cmd/bag/basic-all-tags.out/bag-info.txt
+++ b/tests/cmd/bag/basic-all-tags.out/bag-info.txt
@@ -21,6 +21,8 @@ Internal-Sender-Description: int-desc-1
 Internal-Sender-Description: int-desc-2
 Internal-Sender-Identifier: int-id1
 Internal-Sender-Identifier: int-id2
+BagIt-Profile-Identifier: file://profile1.json
+BagIt-Profile-Identifier: file://profile2.json
 custom-1: value-1
 custom-2: value-2
 custom-2: value-3
diff --git a/tests/cmd/bag/basic-all-tags.out/tagmanifest-sha512.txt b/tests/cmd/bag/basic-all-tags.out/tagmanifest-sha512.txt
index 84c12e8..d9b8c9f 100644
--- a/tests/cmd/bag/basic-all-tags.out/tagmanifest-sha512.txt
+++ b/tests/cmd/bag/basic-all-tags.out/tagmanifest-sha512.txt
@@ -1,3 +1,3 @@
-d5a96223a41edd82fe9c50ca226fcb9de1b12872b29e75497742053e176231e72c16d53e6c5d8e191d86333f9b3e3a2e6f1665b99514b02a0170b36453fb2fb9  bag-info.txt
+a3e9d5d6ce9ad246085a41d23d3d656f4a073027a291422c908e306ee4cc391d94eab7947bde526cf49d7d560c384399a8053916e6224f0cd72dd388b34b4142  bag-info.txt
 1d73ae108d4109b61f56698a5e19ee1f8947bdf8940bbce6adbe5e0940c2363caace6a547b4f1b3ec6a4fd2b7fa845e9cb9d28823bc72c59971718bb26f2fbd8  bagit.txt
 49ed4e071201e8a98e4a01497496916259fffe296e85a6a0d422934c5021a3ff2482feb77d0a4d948a4ddd5204c7f83c4c7b6416c9a90d649185388e2430f8fb  manifest-sha512.txt
diff --git a/tests/cmd/bag/basic-all-tags.toml b/tests/cmd/bag/basic-all-tags.toml
index b42a74b..d19a223 100644
--- a/tests/cmd/bag/basic-all-tags.toml
+++ b/tests/cmd/bag/basic-all-tags.toml
@@ -27,6 +27,8 @@ bag \
 --internal-sender-identifier int-id2 \
 --internal-sender-description int-desc-1 \
 --internal-sender-description int-desc-2 \
+--bagit-profile-identifier file://profile1.json \
+--bagit-profile-identifier file://profile2.json \
 --tag custom-1:value-1 \
 --tag custom-2:value-2 \
 --tag custom-2:value-3"""